Question

What is the mass of one mole of NaCl?

Answer 1

The mass of one mole of NaCI is. 58.5 g/mol

Answer 2

The mass of one mole of a substance is called the molecular weight.

To find it, in this case, you need to add up all the atomic masses of the elements.

`M(NaCl) = 23+35.5= 58.5 \text{ g/mol}`