Question

If I add 30mL of water to 125mL of a 0.15M of NaOH solution, what will the molarity of the dilated solution be?

Answer 1

Answer:

.12 M

Explanation:

.15 M / L  * .125 L = .01875 Moles

now add 30 ml for total  155 ml = .155 L

.01875 M / .155 L = .12 M