Molar Mass and Mole-Mass

Front

What is the definition of molar mass?

Back

Number of grams in one mole of a substance.

Front

Molar mass is in units of ________.

Back

Grams/mole.

Front

Calculate the molar mass of KOH.

Back

56 g/mol.

Front

Calculate the molar mass of water (H2O).

Back

18 g/mol.

Front

Calculate the molar mass for Al(OH)3.

Back

78.0 g/mol.

Front

What is the formula to calculate molar mass?

Back

Sum of the atomic masses of all atoms in the chemical formula.

Front

What is the significance of Avogadro's number in relation to moles?

Back

It represents the number of particles in one mole of a substance (6.02 x 10^23).

Front

How do you convert grams to moles?

Back

Divide the mass of the substance (in grams) by its molar mass (in g/mol).

Front

How do you convert moles to grams?

Back

Multiply the number of moles by the molar mass (in g/mol).

Front

What is the molar mass of NaCl?

Back

58.44 g/mol.