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 the amount of substance that contains as many entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.

Front

How do you convert grams to moles?

Back

To convert grams to moles, use the formula: Moles = Mass (g) / Molar Mass (g/mol).

Front

What is the molar mass of silver carbonate (Ag2CO3)?

Back

The molar mass of Ag2CO3 is approximately 275.75 g/mol.

Front

How many moles are in 25.0 g of Ag2CO3?

Back

0.0907 mol Ag2CO3.

Front

What is the molar mass of carbon (C)?

Back

The molar mass of carbon is approximately 12.01 g/mol.

Front

How many moles are in 6.0 g of carbon?

Back

0.5 moles.

Front

What is the molar mass of water (H2O)?

Back

The molar mass of water is approximately 18.02 g/mol.

Front

How many grams are in 4.0 moles of H2O?

Back

72.0 g.

Front

What is the molar mass of beryllium (Be)?

Back

The molar mass of beryllium is approximately 9.01 g/mol.

Front

How many moles are in 36.0 g of Be?

Back

4.0 moles.