Question

the volume of water must be added to 100ml of 0.5 M NaOH solution to get 0.2 M solution is . pls solve it​

Answer 1

Answer:

m1v1=m2v2 (on adding H20)

0.5×100=O.2×v2

V2=250

Explanation:

for H20 we have to substract so v2-v1

250-100=150 ml