The molarity of a sodium hydroxide solution is 0.2 M. The molar mass of NaOH is 40 g/mol.

If 20 g of sodium hydroxide (NaOH) is dissolved in water in this solution, what is the volume of the solution?

2 answers

you have 1/2 mole in a volume.

.2M=.5/V
V=.5/.2=2.5Liters
Thank you bob