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.).

Front

How do you convert moles to grams?

Back

To convert moles to grams, multiply the number of moles by the molar mass of the substance (g/mol).

Front

What is Avogadro's number?

Back

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

Front

How many grams are in 1 mole of CO?

Back

28 grams.

Front

How do you find the number of atoms in a given mass of an element?

Back

To find the number of atoms, divide the mass of the element (in grams) by its molar mass (g/mol) and then multiply by Avogadro's number.

Front

What is the molar mass of C6H12O6?

Back

The molar mass of C6H12O6 (glucose) is 180 g/mol.

Front

How many molecules are in 2.5 moles of NaCl?

Back

1.51 x 10^24 molecules.

Front

What is the mass of 4.98 x 10^24 atoms of Zn?

Back

541 grams.

Front

How do you convert grams to moles?

Back

To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (g/mol).

Front

What is the relationship between moles and molecules?

Back

1 mole of any substance contains 6.02 x 10^23 molecules.