# Chemistry, The Central Science, 11th edition

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Chemistry, The Central Science, 11th edition
Theodore L. Brown; H. Eugene LeMay, Jr.; Bruce E. Bursten and Catherine J. Murphy Chapter 3 Stoichiometry: Calculations with Chemical Formulas and Equations Donna Narsavage Heald Siena College Loudonville, NY  2009, Prentice Hall

How many oxygen atoms are present in MgSO4 • 7 H2O?

How many oxygen atoms are present in MgSO4 • 7 H2O?

How many sulfur atoms are present in 1.0 mole of Al2(SO4)3?
6.0 x 1023 sulfur atoms 1.8 x 1024 sulfur atoms

How many sulfur atoms are present in 1.0 mole of Al2(SO4)3?
6.0 x 1023 sulfur atoms 1.8 x 1024 sulfur atoms

If you have equal masses of the following metals, which will have the most number of atoms?
lithium sodium potassium rubidium calcium An alkali metal Ca in H2O

If you have equal masses of the following metals, which will have the most number of atoms?
lithium sodium potassium rubidium calcium An alkali metal Ca in H2O

How many moles of oxygen gas are required to react completely with 1
How many moles of oxygen gas are required to react completely with 1.0 mole NO? 2 NO (g) O2 (g) NO2 (g) 0.5 mol O2 1.0 mol O2 1.5 mol O2 2.0 mol O2 2.5 mol O2

How many moles of oxygen gas are required to react completely with 1
How many moles of oxygen gas are required to react completely with 1.0 mole NO? 2 NO (g) O2 (g) NO2 (g) 0.5 mol O2 1.0 mol O2 1.5 mol O2 2.0 mol O2 2.5 mol O2

If 10. 0 moles of NO are reacted with 6
If 10.0 moles of NO are reacted with 6.0 moles O2, how many moles NO2 are produced? 2 NO (g) O2 (g) NO2 (g) 2.0 mol NO2 6.0 mol NO2 10.0 mol NO2 16.0 mol NO2 32.0 mol NO2

If 10. 0 moles of NO are reacted with 6
If 10.0 moles of NO are reacted with 6.0 moles O2, how many moles NO2 are produced? 2 NO (g) O2 (g) NO2 (g) 2.0 mol NO2 6.0 mol NO2 10.0 mol NO2 16.0 mol NO2 32.0 mol NO2

If 10. 0 moles of CO are reacted with 6
If 10.0 moles of CO are reacted with 6.0 moles O2, how many moles of the excess reagent remain? 2 NO (g) O2 (g) NO2 (g) 1.0 mol O2 5.0 mol O2 4.0 mol NO 8.0 mol NO None of the above

If 10. 0 moles of CO are reacted with 6
If 10.0 moles of CO are reacted with 6.0 moles O2, how many moles of the excess reagent remain? 2 NO (g) O2 (g) NO2 (g) 1.0 mol O2 5.0 mol O2 4.0 mol NO 8.0 mol NO None of the above