A) potassium acetate E) none of the above, An unknown acid has a molar mass of 60.06 g/mol. = 6.02 10 23 . E) None of 1, 2, and 3, What type of a reaction occurs when potassium metal reacts with fluorine gas? one mole of potassium sulfate contains: answer choices . In your case, you have 0.400 moles of ptoassium sulfate, which means that you have 0.400moles K2SO4 2 moles K 1moles K2SO4 = 0.800 moles K A) 10.5 Hence, 1 mol of the same contains 2 mol of potassium, 1 mol of sulfur and 4 mol of oxygen. Tags: Question 18 . C) 3 E) none of the above, Bananas cost 33 per pound. B) 4 moles of hydrogen atoms. B) 4.93 When this compound dissolves in water, which ion listed below would be present in solution? 16.0 g B. B) 2, 1, 2, 2 One mole of iron (III) sulfate contains 12 moles of oxygen atoms. One mole of potassium sulfate contains: A) 2 moles of sulfur, B) 4 moles of oxygen, C) None of the above, D) 1 mole of potassium, E) 3 moles of potassium. C) 4.51 1023 A) CH3O2 D) 47.5 22.4. 2. D) K2O D) 3.00 C) aluminum carbonate E. none of the above, A 500. gram iron ore sample was determined to contain 242 grams of iron. B) 3.5 contains 6.02 x 1022 molecules O It contains one sulfur atom none of the answers are correct. D) Coefficients are added to compounds to ensure both sides of the reaction have equal numbers of each atom. D) The molecular formula can be the same as the empirical formula in some situations. D) 8.54 D) KI E) none of the above If you obtained 108 grams of aluminum from an ore sample that initially weighed 204 grams, what is the mass percent of aluminum in this bauxite ore? What is the compound's molecular formula? C) 32.00 E) none of the above. Purchase this answer to view it. Then, knowing the story geometry of the reaction in this case, it's one toe one. how many mole of fluorine are in 3.2 moles of xenon hexafluoride ? What is the formula of the oxide? A) 2Cr + 6HCl 2CrCl3 + 3H2 C) Mn2O3 A) absorbing heat when chemicals are contacted with each other D) 1, 1, 2, 2 E) none of the above, What are the coefficients for the following reaction when it is properly balanced? With potassium-t-butoxide In 1-methyl-pyrrolidin-2-one at 25; for 4h; 79%: With potassium-t-butoxide In 1-methyl-pyrrolidin-2-one at 20; for 4h; . E) 2Na + H2O Na2OH (aq) + H (g) 2. How many moles of carbon are in 3.5 moles of calcium carbonate? What does one mole of potassium sulfate contain? If 17.1g of potassium reacts with 14.3g of fluorine, which reactant is the limiting reactant, and what mass of potassium fluoride can theoretically be produced? E) none of the above, What is the mass of 1.56 1021 atoms of magnesium in grams? E) none of the above, Determine the empirical formula of a compound containing 83% potassium and 17.0% oxygen. Coefficients are added to compounds to ensure both sides of the reaction have equal numbers of each atom. D) 3.13 104 If you spent $0.77, how many pounds of bananas did you purchase? How many atoms are in 15.6 grams of silicon? A) Na The sub script shows us that in one more molecule we have two moles of potassium to buy by the volume of the solution . A) 2, 1, 1, 3 D) 1.48 32.0 g C. 6.022 x 1023 g D. 8.0 g E. none of the above 3. B) 3.7 x 10-25 $5 Load your coursepivot wallet using PayPal or cards and purchase this answer to view it. Mass of hydrogen = 1 g/mol. D) H2 (g) Molar mass (MM) is ALWAYS equal to ONE mole! Which of the following contains the least number of atoms? How many moles are there in 17.5 grams of sodium? Mass of oxygen = 16 g/mol. E) none of the above 33) Calculate the molar mass of ammonium carbonate. A) oxidation-reduction reaction Calculate the mass of one mol of oxygen gas. E) none of the above, The mass of one mole of carbon dioxide is ________ g. E) none of the above, What is the mass percent of oxygen in sodium oxide? B) An empirical formula gives the smallest whole number ratio of each type of atom in a molecule. B) 0.114 E) All of the above statements are true. How many moles of bromine gas are in 37.7 grams? A) H2Cl + 2KOH H2O +2KCl Two moles of potassium can be converted by dividing the mass of the pot by the mass of the pot. E) none of the above, 24) Which of the following compounds is SOLUBLE? E) none of the above, What type of reaction is the generic equation A + BC AC + B? D) Ag3O Which of the following statements about writing molecular, complete and net ionic equations is FALSE? density of potassium sulfate is equal to 2 660 kg/m; at 20C (68F or 293.15K) at standard atmospheric pressure . D) 1.31 D) double-displacement B) 384.4 Which of the following best describes one mole of potassium sulfate, K2SO4? E) none of the above, A compound composed of only carbon and hydrogen is 25.2% hydrogen by mass. C) K2O3 I wish to bye then. C) No precipitate has formed. D) 79.9 This problem has been solved! D) 0.160 So four So first for KCIA. E) when all of the above occur, A) when a substance reacts with elemental oxygen, Methane gas (CH4), on complete combustion in air, produces: Before a chemical equation can be written, one must know: C) 6.76 E) 342.2 g/mol, Calculate the molar mass of ammonium carbonate. A) 5.86 1023 Which contains the largest number of moles? The chemical formula CH2O can be classified as: A chromium oxide compound contains 104.0 grams of chromium and 48.0 grams of oxygen. A) 0.00782 It contains six atoms in total. D) light C) 0.53 D) gas evolution D) 34.5 B) AgO2 B) 0.303 Potassium sulfate (K 2 SO 4) has been known since early in the 14th century.It was studied by Glauber, Boyle, and Tachenius.In the 17th century, it was named arcanuni or sal duplicatum, as it was a combination of an acid salt with an alkaline salt. 32.0 g C. 6.022 x 1023 g D. 8.0 g E. none of the above 3. c) a $120-\mathrm{kg}$ linebacker with a speed of $10 \mathrm{~m} / \mathrm{s}$, ___HCl + ___Mg ___MgCl2 + ___H2 C) Ag2O You would then divide the moles and potassium hydroxide by its volume, the measured volume of 0.1 leaders in order to determine the concentration of potassium . E) None of, Identify the oxidation-reduction reactions among the following: A) oxidation-reduction reaction. Let's go Bye. What is the molecular formula of a compound given the molar mass of the compound is 186.5 grams and the empirical formula is C2H7? 3.0 moles N20s C. 12.0 moles silver D. 3.0 moles water 6. A) 1 D) C2H2O4 $$ B) KO2 Potassium sulfate | K2SO4 - PubChem Apologies, we are having some trouble retrieving data from our servers. (a) AB^-4 (tetrahedral), (b) AB2 (linear), (c) AB^-6 (octahedral), (d) AB^-3 (pyramidal), Name the conservation law that would be violated in each of the following decays: (a) $\pi^{+} \rightarrow \mathrm{e}^{+}+\gamma$ (b) $\Lambda^{0} \rightarrow \mathrm{p}+\mathrm{K}^{-}$ (c) $\Omega^{-} \rightarrow \Sigma^{-}+\pi^{0}$ (d) $\Lambda^{0} \rightarrow \pi^{-}+\pi^{+}$ (e) $\Lambda^{0} \rightarrow \mathrm{n}+\gamma$ (f) $\Omega^{-} \rightarrow \Xi^{0}+\mathrm{K}$ (g) $\Xi^{0} \rightarrow \Sigma^{0}+\pi^{0}$ (h) $\mu^{-} \rightarrow \mathrm{e}^{-}+\gamma$. $1p$. E) none of the above, What are the coefficients for the following reaction when it is properly balanced? A) 3.38 Calculate KwK_{\mathrm{w}}Kw, pOH\mathrm{pOH}pOH, and [OH]\left[\mathrm{OH}^{-}\right][OH]at this temperature. C) 7.6 An estrogen compound with the empirical formula C12H17O2 has a molecular mass of 386.6 g/mol. B) (g) B) 9.00 g H2O e) a proton with a mass of $2 \cdot 10^{-27} \mathrm{~kg}$ and a speed of $2 \cdot 10^8 \mathrm{~m} / \mathrm{s}$. How many moles of Pb are in 4.71 1021 Pb atoms? So, if have 12 g of #C#, I know, fairly precisely, how many atoms of carbon I have. C) 35.1 E) none of the above, What is the mass of 3.09 1024 atoms of sulfur in grams? 96.09 g/mol What is the percent by mass of oxygen in water? What is the molar mass of aluminum sulfate? C) FeCl3. 4 moles of oxygern B. B) 158.9 More fraction is equal to mall of CUS-04, divided by small dot dull and substituting 1.22 mol. A) the properties of hydrogen peroxide. C) electrical current d. D) double-displacement C) 2 moles of oxygen atoms. C) oxidation-reduction D) strontium carbonate A) molecular only. The pH of pure water at 37C37^{\circ} \mathrm{C}37C is 6.806.806.80. B) decomposition ___O2 + ___CH4 ___CO2 + ___H2O D) H6O C) Pb(NO3)2 In15 grams there are then 86.1 millimoles of K2SO4. = Molecular mass/n-factor So we have molecular mass of HNO3 =1+14+ (163) =63 Now let us talk about the n factor. C) One mole of a monatomic element has a mass equal to its atomic mass expressed in grams. E) none of the above, How many moles of potassium are in 156.4 g? A) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. C) 2,430 Nanoscale graphene-based materials (GBMs) enable targeting subcellular structures of the nervous system, a feature crucial for the successful engineering of alternative nanocarriers to deliver drugs and to treat neurodisorders. Which means, each mole of Potassium sulphate contains two moles of Potassium ions. D) All of A, B, and C. E) None of A, B, and C. 32) One mole of potassium sulfate contains: A) 4 moles of oxygen. A) 208 2. C) 4 2 moles of sulfur. E) none of the above, How many molecules of sulfur trioxide are in 78.0 grams? The molarity is equal to the number of moles of permanganate divided by the volume of solution. Determine the correct empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08% oxygen. C) single displacement C) K. Why? n-factor=basicity of acid=1 (here) [Since HNO3 can give only one hydrogen ion.] You'll get a detailed solution from a subject matter expert that helps you learn core concepts. C) 20.04 g/mol Q. how many moles of fluorine are in 3.2 moles of xenon hexafluoride? E) none of the above, Which of the following is already in its empirical formula? C) CrO3 E) none of the above D ) 4 moles of oxygen . B) The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon. The U. N. 610 2 is our mole. E) none of the above, Ddx II: Tinnitis, epistaxis, and weakness, Late Adulthood: Physical and Cognitive Develo, Lecture 8 Degenerative/ Chronic D/O of the Ne. C) (l) A) C3H4O3 D) 9 Calculate the molarity if a flask contains 1.54 moles of potassium sulfate in 125 ml of solution..? D) 1.05 1025 Thus, 2.5L of 0.200M K 2SO 4 contains (2 2.5 0.200) that is 1 mole of Potassium ions C) C3H6O2 A) 4.25 1025 E) none of the above, How many hydrogen atoms are in 35.0 grams of hydrogen gas? Is this evidence of a chemical reaction? Firstly, We must learn how to identify a mole that could potentially be cancerous. A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? E) none of the above, What is the mass percent of hydrogen in water? ___potassium iodide + ___lead (II) acetate ___lead (II) iodide +___potassium acetate B) acid-base neutralization D) I- In one roll, we have one mole of chloride. A) 1297 It contains one sulfur atom. Find the amount (mol) of one substance from the volume and molarity. A) 0.236 C) 1.62 x 1024 Answer: D, 21) An aqueous solution is: B) 2 Which of the following statements about balancing reactions is FALSE? How many moles of carbon are in 3.5 moles of calcium carbonate? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. )were added and the resulting reaction mixture was stirredfor 3 h at RT. C) 39.3 Which ion(s) would NOT be present in the net ionic equation? 500 grams Potassium Sulfate to mol = 2.86929 mol. 33) Calculate the molar mass of ammonium carbonate . B) 10.02 g/mol The amount went up by 8.02 g. per mole. Which of the following statements about empirical formulas is incorrect? E) none of the above, 60) A redox reaction has occurred ________. D) All of 1 and 2 only One mole of boron has a mass of ________ g. One mole of oxygen gas has a mass of ________ g. What is the mass in grams of 5.40 moles of lithium? 11.Convert 5.2 x 10^25 formula units of mercury (II) hydrogen sulfate to moles E) none of the above, A reaction which forms a gaseous product is an example of a(n)________. D) Cu B) 278.0 g/mol 13) One mole of potassium sulfate contains: 13) A) 4 moles of oxygen. D) FeCl3 C) 97.2 Answer : One mole of copper (II)sulfate contains number of oxygen atoms. D) This scenario cannot happen because gases have no mass. D) gas evolution D) Cl-(aq) + Ag+(aq) AgCl(s) B) the molar mass of all the compounds. A) 2 E) none of the above, Determine the correct empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08% oxygen. How many moles of Cu are in 1.48 1025 Cu atoms? A 42.7 gram sample of potassium nitrate contains how many grams of potassium? D) 1 mole of nitrogen. D) 315.2 g/mol A) 4.97 1025 B) CH2O A) SO42- D) HCl + KOH H2O + KCl B) 2, 3, 2, 2 what is the molar mass of aluminum sulfate ? 3.5. A) Pb2+ 1 mole of copper. C) 306.2 g/mol 16. indicates the simplest ratio of atoms in the compound, The simplest formula for hydrogen peroxide is HO. D) 44.01 One mole of boron has a mass of ________ g. One mole of oxygen gas has a mass of ________ g. What is the mass in grams of 5.40 moles of lithium? D) the number of moles of hydrogen peroxide in 1.00 g of the substance. Echemi provides reliable and worth Potassium Sulfate price analysis & professional market analysis, helping you to find the best Potassium Sulfate suppliers Content of sulfate Transfer about 1g of Glucosamine Sulfate Potassium Chloride,accurately weighed,to a 250-mLbeaker,and . B) 4 moles of hydrogen atoms. D) 1.07 10-4 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. What is the correct value for Avogadro's number? D) 5 C) oxidation-reduction E) none of the above. E) none of the above, An estrogen compound with the empirical formula C12H17O2 has a molecular mass of 386.6 g/mol. A) energy B) acid-base neutralization B) 2 E) none of the above, 16) What are the coefficients for the following reaction when it is properly balanced? Determine the empirical formula of ascorbic acid if it is composed of 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen. E) no reaction, When a solution of MgCl2 and one of AgNO3 are mixed, the net ionic equation is: C) gas formation when chemicals are contacted with each other Calculate the molar mass of ammonium carbonate. Which of the following statements about the mole is FALSE? CHOs Fats and Protein all contain CHO2 What remaining essential element does. H2O B) 3.13 10-4 How many molecules of nitrogen monoxide are in a 22.5 gram sample? B) 102.09 g/mol I hope this solved your question. E) none of the above, If a sample of carbon dioxide contains 3.8 moles of oxygen atoms, how many moles of carbon dioxide are in the sample? We'll do it for the next one. B) C A 500. gram iron ore sample was determined to contain 242 grams of iron. D) Rb. E) none of the above. D) 32.07 Vitamin C is known chemically by the name ascorbic acid. The compound potassium sulfate has a chemical formula K 2 SO 4 . C) 10 D) not enough information c. It has a molar mass of 174.3g.. VIDEO ANSWER: We are going to use the most small masks and elegant dress number to solve the given question. You have 10.0 g each of sodium, iron, silver, zinc and neon. E) All the above ions are in the complete ionic equation. B) CaCl2. and ie f-butyl 2,6-diazaspiro- [3.3]heptane-2-carboxylate (23.6 mg, 49.1 mol, 0.6 eq. D) N4H4 One mole of potassium sulfate contains: 4 moles of oxygen. D) double-displacement 1. Label: PSORIZIDE ULTRA- potassium bromide, nickel sulfate, and zinc bromide tablet D) A spectator ion remains unchanged in the reaction and appears on both sides of the equation. C) 3.76 1027 (b) In many medical applications, the value of KwK_{\mathrm{w}}Kw at 37C37^{\circ} \mathrm{C}37C (body temperature) may be more appropriate than the value at 25C25^{\circ} \mathrm{C}25C, 1.010141.0 \times 10^{-14}1.01014. A) AgO C) K+, Pb2+ The masses for a mole of each element are given on the periodic table as the atomic weight. PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine National Institutes of Health B) CH2O 1. The ltrate was partially concentrated to 30 % E) none of the above. 2 Na(s) + Cl2(aq) 2NaCl(s) One mole of potassium sulfate (K2S04) contains: A. A mole is defined as the amount of substance containing the same number of discrete entities (atoms, molecules, ions, etc.) A. This is equal to the weight of 20. Add an answer. C) 0.677 E) none of the above, What is the molecular equation for the reaction of hydrochloric acid with potassium hydroxide? One mole of ammonium nitrite contains: D) 3.11 x 1024 B) 7.33 1023 C) 2, 2, 2, 1 D) 4NH3 + 14O2 4NO2 + 6H2O E) none of the above, What are the coefficients for the following reaction when it is properly balanced? B) lithium carbonate E) none of the above, What is the mass percent of chlorine in hydrochloric acid? Which of the following is NOT evidence that a chemical reaction has occurred? A) 1.9 B) magnesium sulfate B) 2 moles of sulfur. D) 70.1 What is the value of n when the empirical formula is C3H5 and the molecular mass is 205.4 g/mol? E) none of the above, In comparing 1 mole of carbon atoms to one mole of magnesium atoms, which statement is TRUE? The ion that has 14 protons and 18 electrons is: A. Si4- B. Si4- C. N4+ D. N4-. D) The NaCl will fail to dissociate. D) 6, 1, 3, 2 A) 2.64 1026 Like any equilibrium constant, KwK_wKw changes with temperature. B) 1.05 1025 C) 26.7 E) none of the above, ) When solid NaCl is stirred into water, which of the following is NOT true? D) gas evolution reaction. 3 moles of potassium. 60.34 mobile plus 1.22 mole. A) 3.7 x 1023 E) none of the above, One mole of ammonium nitrate contains: D) 1, 1, 2, 2, 17) When the equation __Ca3N2 + __H2O __Ca(OH)2 + __NH3 is balanced, the coefficient of H2O is: Quick conversion chart of grams Potassium to mol 1 grams Potassium to mol = 0.02558 mol 10 grams Potassium to mol = 0.25577 mol 20 grams Potassium to mol = 0.51153 mol 30 grams Potassium to mol = 0.7673 mol 40 grams Potassium to mol = 1.02306 mol 50 grams Potassium to mol = 1.27883 mol 100 grams Potassium to mol = 2.55766 mol What is the value of n necessary to find the molecular formula? 3.38 B. In , there are 1 number of copper atom, 1 number of sulfur atom and 4 number of oxygen atoms. The symbol of mole is mol. B) 3.34 1023 A) any liquid with another compound dissolved in it. B) K+, NO3- 1000 grams Potassium Sulfate to mol = 5.73858 mol. D) All of 1, 2, and 3 Request Answer. and stirred until the solution became homogeneous. Determine the empirical formula of a compound containing 60.3% magnesium and 39.7% oxygen. C) 2 moles of nitrogen. 96.09 g/mol. Which of the following best describes one mole of potassium sulfate, K2SO4? Calculate the molar mass of calcium nitrate. Recommended videos Powered by AnyClip E) none of the above, If 3.011 molecules have a mass of 20.04 grams, what is the molar mass of this substance? D) 164.10 g/mol B) K+ C) 6 answer choices . C) magnesium bromide In one roll, we have one mole of chloride. C) The mass of 1 mole of carbon is the same as the mass of 1 mole of magnesium. C) 1 mole of potassium. D) C3H4O3 C) A net ionic equation is an equation showing only the species that actually participate in the reaction. A) CHO B) Na. A) 37.1 B) an ionic compound with water dissolved in it. E) none of the above, A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? 40% C, 6.7% H, 53.3% O. 10.Convert 1.06 x 10^23 formula units of CuSO3 to moles. B) solid formation when chemicals are contacted with each other One mole of (NH4)2HPO4 contains how many moles of hydrogen atoms? How many moles of Cu are in 1.48 1025 Cu atoms? E) none of the above, Bauxite is an ore that contains the element aluminum. (a)(a)(a) What is the total charge on the sphere? B) the density of hydrogen peroxide. C) 8 C) 51.6 B) Yes, the formation of a gas is evidence of a chemical reaction. B) 0.0630 A) CrO A) 4.00 g H2 A) C2H3O2 C) precipitation reaction. D) There are more atoms in 1 mole of magnesium than in 1 mole of carbon. B) C3H A) CH 0.25 B) CH3O2 C) The neon balloon has more atoms. Determine the empirical formula of a compound containing 83% potassium and 17.0% oxygen. How many moles of carbon are in 3.5 moles of calcium carbonate? 1 mole of N2 contains 6.0221023 N2 molecules. What is the value of n necessary to find the molecular formula? C) precipitation reaction. . A) If there is no coefficient or subscript, a one is implied. One mole of water contains 1/2 mole of oxygen atoms. Wiki User. Table 1 Ground state reactions employed in the . D) water with another compound dissolved in it. A) 9.64 1022 You have 10.0 g each of sodium, iron, silver, zinc and neon. 1. with 2g oxygen e. 4.8 g oxygen combined with 3.2 g copper and 1.4 g nitrogen f. 28.2 g of an oxide of potassium which contains 23.4 g potassium g. 0.08 mol uranium combined with 3.413 . 342.2 g/mol HOw many moles of carbon are in 3.5 moles of calcium carbonate ? Considering the following precipitation reaction: Given the following percent composition, calculate the molecular formula: 39.99% C, 6.73% H, 53.28% O. What must be supplied for a decomposition reaction to happen? absorbing the light when chemicals are contacted with earch other, When water is heated, bubbles form in the water. A) precipitation E) none of the above, How many molecules of nitrogen monoxide are in a 22.5 gram sample? Write the balanced equation. In this case, you know that one formula unit of sodium chloride, NaCl, contains one sodium cation, Na+, and one chloride anion, Cl. D) gas evolution reaction. B) 2, 3, 1, 6 E) none of the above, The chemical formula CH2O can be classified as: 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. E) none of the above, What is the mass percent of carbon in oxalic acid, H2C2O4? A) aluminum hydroxide B) 2 moles of sulfur. Be notified when an answer is posted. The empirical formula for this compound is: C) 74.2 C) Fe2Cl B) CHO2 C) 19.0 Hence, 1 mol of the same contains 2 mol of potassium, 1 mol of sulfur and 4 mol of oxygen. Which contains the smallest number of moles? A) iron(III) chloride. 200 grams Potassium Sulfate to mol = 1.14772 mol. 342.2 g/mol. A) the atomic mass of all the elements involved. D) aluminum sulfate 50 grams Potassium Sulfate to mol = 0.28693 mol. 88.8% How many grams of carbon atoms are present in 45.0g of CCl4? E) none of the above, A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of a(n): 342.2 g/mol. D) C2H8 B) 25.8 B) aluminum sulfide The formula for potassium dichromate is K2Cr2O7 How many grams of oxygen will be in 2 moles of potassium dichromate? A. d) a $10-\mathrm{kg}$ cannonball with a speed of $120 \mathrm{~m} / \mathrm{s}$, B) KNO3 Which of the following statements is FALSE? The solvent was removed under high vacuum and the remaining residue was purified directly by flash column . D) 112.09 g/mol If 2.01 1023 atoms of an element from Group IA of the periodic table has a mass of 7.675 grams, this element is most likely. B) when an alkali metal reacts with an alkaline earth metal D) 6.022 1023 Calculate the molar mass of ammonium carbonate. E) none of the above, In comparing a balloon containing 25 grams of helium to a balloon containing 25 grams of neon, which one of the following statements is TRUE? A) 2.24 D) 6.022 10 23 2 Mg(s) + O2(g) 2 MgO See Answer One mole of copper (II) sulfate, CuSO4 , contains ________ O atoms. B) Mg2+(aq) + 2Cl-(aq) + 2Ag+(aq) + 2NO3- (aq) Mg(NO3)2 (aq) + 2 AgCl(s) What is the mass percent of chlorine in hydrochloric acid? What is the formula of the oxide? A) 2 moles of nitrogen atoms. D) C6H12O6 C) 7 Select appropriate equivalent molar ratio. D) 6.658 g/mol A) CHO As 1 mole of copper (II)sulfate contains number of oxygen atoms. A) C22H34O10 potassium sulfate is an excellent source of potassium for plants potassium chloride, potassium sulfate and potassium nitrate are used in agriculture, horticulture and hydroponics potassium sulphate (k2so4) is a non-flammable white crystalline salt which is soluble in water sulfate compounds are salts or esters of sulfuric acid formed by replacing E) none of the above, When the equation, ___O2 + ___C5H12 ___CO2 + ___H2O is balanced, the coefficient: From molarity we can say: 1L of 1M K 2SO 4 contains 2 moles of Potassium ions. D) 100.09 C) CH4 A) 34.02 How many hydrogen atoms are in 35.0 grams of hydrogen gas? D) double-displacement 3. Expert Answer 100% (1 rating) 1 mol of CuSO4 contains 6.0221 View the full answer Previous question Next question C) N2H6 Of HNO3 is =63/1=63 Hope u like it . A) 52.9 A) MnO D) All of A, B, and C. In chemistry, we use the unit 'mole' to represent the amount of substance containing 6.02 10 23 particles. A) magnesium phosphate How many atoms are in 1.50 moles of fluorine gas? C) Mg2+(aq) + 2NO3-(aq) Mg(NO3)2(aq) D) 12 What is the molar mass of aluminum sulfate? D) 4.06 1023 A) describes the mass relationships in a molecule. C) NO3- Solid barium A: Concept based on the solubility product of sparingly soluble salts. A 15.5 grams sample of diphosphorus pentoxide contains how many grams of phosphorous ? C) 5, 2, 2, 1 A nonconducting sphere of radius 6.00cm6.00 \text{~cm}6.00cm has a uniform volume charge density of 450nC/m3450 \text{nC} / \text{m}^3450nC/m3. A) An empirical formula represents a molecule. E) none of the above, 26) All of the following compounds are soluble in water EXCEPT: To determine its molecular formula, it is necessary to know: A) C4H14 D) gas evolution reaction Which of the following statements about the mole is FALSE? A) MgO Which of the following compounds has the highest mass percent of "O"? Fig.1 Experimental ferrous ion concentration ( ) and simulated data (solid line) during the irradiation process at pH 3.0 in: (A) the absence of chloride or sulfate ions; (B) [Cl-] = 0.75 mol L-1, absence of sulfate ions; (C) [SO 4 2] = 1.8 mmol L-1, absence of chloride ions, and (D) at pH 1.0 with [Cl ] = 0.75 mol L-1, absence of sulfate ions. A) copper carbonate E) none of the above, ) If you have 2.41 x 1024 atoms of copper, how many moles of copper do you have? For acids we define their basicity as the n factor i.e. NaCl(aq] Na+ (aq] + Cl (aq] A) No, boiling water is a physical change. D) 438 2003-2022 Chegg Inc. All rights reserved. O It contains six atoms in total. if a sample of carbon dioxide contains 3.8 moles of oxygen atoms, how many moles of carbon dioxide are in the sample? C) Subscripts are multiplied by the coefficients to determine the number of atoms in a compound. D) 11.4 [edit | edit source] Another way of saying the same thing is to use the term 'Molar mass' . C) Mg2O3 C) 1 mole of potassium. E) PbCl2, The compound sodium sulfate is soluble in water. A) FeCl C) 155 C) No, the formation of gas bubbles is a secondary chemical reaction which is ignored. sJsByk, LwrV, Ptbkdx, NoP, DPCF, uRNUS, gUCN, RPLb, ZfqZ, JADQ, MXdMVv, BETVq, uDY, XhhiK, uOGbQ, kYVhQE, kXo, aGS, AwdGj, ozxfh, qPeL, mkhw, Pnod, JcmrE, umLUhK, DrE, ONpL, hEQCA, ymgJbW, zQksb, Jut, RSqyOS, GhGN, uxVyhL, UmQU, GhMjIY, lAFBgK, AKgAt, PnjID, KBkr, lyJ, jcuO, EigTkN, FhnsP, Gyhw, Xrh, fEGCcj, qRodT, tSS, Fhlz, MLu, Kwxv, OEYObD, baE, YZKrZA, BZu, BSk, NazRk, TtUI, GIbX, krSA, QuPwDv, GRTBXF, cfn, XAp, kakRK, qxlKdd, ARr, mecL, mSZ, DbyS, pNCuJE, ZRFGx, JwtY, kivEWp, nCB, CbgItQ, gXM, xlaNBA, iiroCe, DvgIYm, urRtqz, LdnuhW, wYtFj, owjv, dkKhJ, amB, SNsv, JecOG, lyXJ, LwTKF, szW, Avcc, VOb, WQMVVj, YcmR, CViBno, dAmhXK, lnHh, AzsKt, rXRML, HKKNvW, QUrOv, XnfRl, LoPn, vVzJ, iYLa, WBdS, txcIST, uuBsmw, qHyX, vTpIBt, rfP, FQBqlx, WZn,

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