Mole/Molar Mass/Conversions

Front

What is Avogadro's Number?

Back

Avogadro's Number is 6.02 x 10^23, which represents the number of atoms, molecules, or particles in one mole of a substance.

Front

What is the mole used for?

Back

The mole is used to measure the amount of atoms or molecules in a substance.

Front

How many atoms of carbon are in 6.00g of carbon?

Back

There are 3.01 x 10^23 atoms of carbon in 6.00g of carbon.

Front

What is the molar mass of CO2?

Back

The molar mass of CO2 is 44 grams per mole.

Front

What is the molar mass of CaCl2?

Back

The molar mass of CaCl2 is 110.98 grams per mole.

Front

How do you calculate the number of moles from mass?

Back

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

Front

What is the mass of 0.89 mol of CaCl2?

Back

The mass of 0.89 mol of CaCl2 is 98.9 grams.

Front

What is the formula to convert moles to grams?

Back

Grams = moles x molar mass.

Front

What is the significance of the molar mass in chemical reactions?

Back

Molar mass allows chemists to convert between the mass of a substance and the amount in moles, facilitating stoichiometric calculations.

Front

How many moles are in 12 grams of carbon?

Back

There are 1 mole of carbon in 12 grams.