Mole-Mass Conversions

Front

What is a mole in chemistry?

Back

A mole is a unit of measurement used to express the amount of a substance. It is defined as exactly 6.022 x 10^23 particles (atoms, molecules, ions, etc.) of that substance.

Front

How do you convert moles to grams?

Back

To convert moles to grams, use the formula: grams = moles x molar mass. The molar mass is the mass of one mole of a substance, usually expressed in grams per mole (g/mol).

Front

What is the molar mass of NaF?

Back

The molar mass of NaF (Sodium Fluoride) is approximately 41.99 g/mol.

Front

How many grams are in 4.5 moles of NaF?

Back

189 g (calculated as 4.5 moles x 41.99 g/mol).

Front

How do you convert grams to moles?

Back

To convert grams to moles, use the formula: moles = grams / molar mass.

Front

What is the molar mass of MgCO3?

Back

The molar mass of MgCO3 (Magnesium Carbonate) is approximately 84.31 g/mol.

Front

How many moles are in 25.0 g of MgCO3?

Back

0.30 moles (calculated as 25.0 g / 84.31 g/mol).

Front

What is the molar mass of H2O?

Back

The molar mass of H2O (Water) is approximately 18.02 g/mol.

Front

How many moles are in 50.0 g of H2O?

Back

2.77 moles (calculated as 50.0 g / 18.02 g/mol).

Front

What is the molar mass of AlCl3?

Back

The molar mass of AlCl3 (Aluminum Chloride) is approximately 133.33 g/mol.