Molar Mass

Front

What is Molar Mass?

Back

The 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 chemical formula.

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 (from the periodic table), and sum the total.

Front

What is the molar mass of CuBr₂?

Back

223.35 g/mol.

Front

How many atoms of oxygen are in Mg(OH)₂?

Back

There are 2 atoms of oxygen in Mg(OH)₂.

Front

What is the molar mass of Al(OH)₃?

Back

78.0 g/mol.

Front

What is the molar mass of CuSO₄? (Two decimal places, no units)

Back

159.62.

Front

What is the molar mass of SrS?

Back

119.69 g/mol.

Front

What is the atomic mass of Copper (Cu)?

Back

63.55 g/mol.

Front

What is the atomic mass of Bromine (Br)?

Back

79.90 g/mol.

Front

What is the atomic mass of Magnesium (Mg)?

Back

24.31 g/mol.