Calculating Molar Mass: Key Concepts and Practice

What is the molar mass of an elemental nitrogen atom?

• 19 g/mol

• 12.01 g/mol

• 16 g/mol

• 14.01 g/mol

How many grams does one mole of fluorine weigh?

• 16 g

• 32 g

• 14.01 g

• 19 g

What is the molar mass of ozone (O3)?

• 48 g/mol

• 104.09 g/mol

• 32 g/mol

• 44.1 g/mol

Calculate the molar mass of sulfur (S8).

• 320 g/mol

• 256.56 g/mol

• 192 g/mol

• 160 g/mol

What is the molar mass of carbon dioxide?

• 310.18 g/mol

• 180.56 g/mol

• 104.09 g/mol

• 44.1 g/mol

Determine the molar mass of silicon tetrafluoride.

• 256.56 g/mol

• 104.09 g/mol

• 44.1 g/mol

• 180.56 g/mol

What is the molar mass of glucose?

• 581.77 g/mol

• 310.18 g/mol

• 104.09 g/mol

• 180.56 g/mol

How do you calculate the molar mass of calcium phosphate?

• By multiplying the atomic mass of Ca by three

• By using the atomic number of calcium

• By adding atomic masses of Ca, P, and O

• By finding the atomic mass of phosphate only

What is the correct chemical formula for calcium phosphate?

• Ca2P(PO4)2

• Ca3P2O8

• CaPO4

• Ca3(PO4)2

Calculate the molar mass of vanadium 5 hydrogen phosphate.

• 581.77 g/mol

• 310.18 g/mol

• 180.56 g/mol

• 104.09 g/mol