The Mole and Molar Mass

Front

What is the definition of molar mass?

Back

The number of grams per one mole of a substance.

Front

What is molar mass?

Back

The mass of a mole of atoms.

Front

Molar mass is in units of ________.

Back

grams/mole.

Front

Which would have more atoms? 1 mole of Li, 1 mole of Au, 1 mole of Si, or None, all are equal?

Back

None, all are equal.

Front

How many atoms are found in 1 mol of Xenon atoms?

Back

6.02 x 10^23.

Front

What is Avogadro's number?

Back

6.02 x 10^23 particles per mole.

Front

How do you calculate the molar mass of a compound?

Back

Add the molar masses of all the atoms in the compound.

Front

What is the molar mass of water (H2O)?

Back

18.02 grams/mole.

Front

If you have 2 moles of a substance, how many grams do you have if the molar mass is 12 g/mole?

Back

24 grams.

Front

What is the relationship between moles and mass?

Back

Mass (grams) = Moles x Molar Mass (g/mole).