Molar Mass Review Question Preview (ID: 29863)


This Is A Review Of Chemical Quantities And Stoichiometry. TEACHERS: click here for quick copy question ID numbers.

What is the molar mass of carbon?
a) 40.08 grams/ moles
b) 12.011 grams/mol
c) 58.93 grams/mol
d) 35.45 grams/mol

What is the molar mass of phosphorus?
a) 18.99 grams/mol
b) 39.09 grams/mol
c) 55.85 grams/mol
d) 30.97 grams/mol

What is the molecular weight of calcium?
a) 40.08 grams/mol
b) 12.011 grams/mol
c) 35.45 grams/mol
d) 63.55 grams/mol

What is the molecular weight of iodine?
a) 114.82 grams/mol
b) 79.904 grams/mol
c) 126.905 grams/mol
d) 199.22 grams/mol

What is the gram formula mass of carbon dioxide?
a) 28.01 grams/mol
b) 44.01 grams/mol
c) 12.011 grams/mol
d) 15.9994 grams/mol

What is the gram formula mass of SiBr4?
a) 107.9895 grams/mol
b) 187.8935 grams/mol
c) 267.7975 grams /mol
d) 347.7015 grams/mol

What is the molar mass of ammonium chloride? (Hint: Ammonium is a polyatomic ion so you won't find it on the periodic table.)
a) 50.46 grams/mol NHCl
b) 53.49 grams/mol NH4Cl
c) 101.9 grams/mol NH3Cl2
d) 156.8 grams /mol NHCl4

What is the gram formula mass for barium hydroxide, Ba(OH)2?
a) 184.33 grams/ mol
b) 171.33 grams/mol
c) 308.66 grams/mol
d) 441.40 grams/mol

What is the molecular weight of iron (III) nitrate? (Hint: Nitrate is a polyatomic ion so you won't find it on the periodic table.)
a) 117.854 grams/mol
b) 241.8 grams/mol
c) 85.854 grams/mol
d) 145.847 grams/mol

What is the gram formula mass of Al2(SO4)3?
a) 197.96 grams/mol
b) 450.06 grams/mol
c) 342.14 grams/mol
d) 262.14 grams/mol

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