Question

A 0.15 M NaOH solution has a volume of 0.125 L but is then diluted to 0.15 L. What is the concentration of the new solution

Answer 1

.125 M

Step-by-step explanation:

.15 M/L * .125 L = .01875 moles

now dilute to 150 cc (by adding 25 cc)

.01875M / (150/1000) = .125M