Chemical Quantities Quiz

What is the relationship between the mole, mass, volume, and number of particles?

• The mole is related to mass and volume, but not to the number of particles

• The mole is not related to mass, volume, or number of particles

• The mole is related to the number of particles, but not to mass or volume

• The mole is related to mass, volume, and the number of particles

What is the molar volume of a gas at standard temperature and pressure (STP)?

• 30.0 L/mol

• 22.4 L/mol

• 40.0 L/mol

• 10.0 L/mol

What is the molar mass of sulfur dioxide (SO2)?

• 32.0 g/mol

• 64.0 g/mol

• 44.0 g/mol

• 76.0 g/mol

What is the mass, in grams, of 3.2 mol nitrogen dioxide (NO2)?

• 184.0 g NO2

• 92.0 g NO2

• 115.2 g NO2

• 147.2 g NO2

What is the mass, in grams, of 9.45 mol aluminum oxide (Al2O3)?

• 764 g Al2O3

• 856 g Al2O3

• 964 g Al2O3

• 924 g Al2O3

How many moles of iron(III) oxide are contained in 92.2 g of pure Fe2O3?

• 0.578 mol Fe2O3

• 0.732 mol Fe2O3

• 0.867 mol Fe2O3

• 1.024 mol Fe2O3

What is the density of 2.0 mol of helium (He) at STP?

• 0.12 g/L He

• 0.18 g/L He

• 0.30 g/L He

• 0.24 g/L He

Will a balloon filled with methane (CH4) float in air?

• It depends on the size of the balloon

• No

• It depends on the temperature of the air

• Yes

What is the molar mass of benzene (C6H6)?

• 78.1 g/mol

• 72.1 g/mol

• 90.1 g/mol

• 84.1 g/mol

What is the volume, in liters, of 0.60 mol sulfur dioxide (SO2) gas at STP?

• 13.0 L SO2

• 15.2 L SO2

• 17.4 L SO2

• 19.6 L SO2