Mole concept

Front

What is relative atomic mass (Ar)?

Back

The relative mass of an atom (A_r) is the average mass of one atom of that element relative to 1/12 of the mass of one carbon-12 atom

Front

What is relative molecular mass (Mr)?

Back

The relative molecular mass (M_r) of a molecular substance is the average mass of one molecule relative to 1/12 of the mass of one carbon-12 atom

Front

What is relative formula mass (Mr)?

Back

The relative formula mass (Mr) of an ionic compound is the average mass of one unit of that compound compared to 1/12 of the mass of one carbon-12 atom

Front

What is a mole (mol)?

Back

There are 6.02 × 10²³ particles in 1 mol of a substance

Front

What is the unit of Ar and Mr?

Back

A_r and M_r have NO UNITS

Front

Formulas

Back

Front

What is the unit of molar mass?

Back

g/mol