Mole Conversions

Front

What is a mole?

Back

A mole is a unit of measurement in chemistry that represents 6.02 x 10^23 particles (atoms, molecules, ions, etc.) of a substance.

Front

How do you calculate the number of moles from grams?

Back

Number of moles = mass (g) / molar mass (g/mol).

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).

Front

How many moles are in 32.3 grams of CO2?

Back

0.734 moles.

Front

What is the molar mass of zinc hydroxide, Zn(OH)2?

Back

99.41 g.

Front

How many molecules are in one mole of a substance?

Back

One mole of a substance contains 6.02 x 10^23 molecules.

Front

How many water molecules are in 5.2 moles of water?

Back

3.1 x 10^24 molecules.

Front

How do you convert grams to moles?

Back

Use the formula: moles = grams / molar mass.

Front

How many moles are in 98.3 grams of Al(OH)3?

Back

1.26 moles.

Front

What is dimensional analysis in chemistry?

Back

Dimensional analysis is a method used to convert between units using conversion factors.