Molar Mass

Front

What is molar mass?

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a molecule.

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass, identify the number of each type of atom in the compound, multiply by the atomic mass of each element, and sum the total.

Front

Calculate the molar mass for Al(OH)3.

Back

78.0 g/mol

Front

Calculate the molar mass of NH4NO2.

Back

64 g/mol

Front

Calculate the molar mass of CO2.

Back

44 g/mol

Front

Calculate the molar mass of water (H2O).

Back

18 g/mol

Front

Calculate the molar mass of KOH.

Back

56 g/mol

Front

What is the atomic mass of Hydrogen (H)?

Back

1.01 g/mol

Front

What is the atomic mass of Oxygen (O)?

Back

16.00 g/mol

Front

What is the atomic mass of Nitrogen (N)?

Back

14.01 g/mol