Question

The number of moles of NaCl in 3 litres of 3 M solution is ____________.

Options

• 1

• 3

• 9

• 27

Answer 1

The number of moles of NaCl in 3 litres of 3 M solution is 9.

Explanation:

3 M solution means 3 moles in 1 litre.

∴ 9 moles in 3 litres.