Understanding Molar Mass

What is the primary unit used to express molar mass?

• Kilograms per mole

• Atoms per mole

• Grams per mole

• Liters per mole

How many atoms are there in one mole of a substance?

• 6.02 x 10^23

• 3.01 x 10^23

• 9.02 x 10^23

• 1.01 x 10^23

Which element has a molar mass of 16 grams per mole?

• Iron

• Oxygen

• Nitrogen

• Magnesium

How do you calculate the molar mass of NaCl?

• Divide the mass of Na by Cl

• Add the masses of Na and Cl from the periodic table

• Multiply the mass of Na by Cl

• Subtract the mass of Cl from Na

What is the molar mass of Mg3N2?

• 58.44 grams per mole

• 100.93 grams per mole

• 24.31 grams per mole

• 55.85 grams per mole