Question

you have 100ml of 0.5M HCL solution and you want to dilute it to exactly 0.1M how much water should you add?​

Answer 1

Answer:500 ml

Explanation:

M1 = 0.5

V1 = 100 ml

M2 = 0.1

V2 =??

M1 * V1 =M2 * V2

0.5 M * 100 ml = 0.1 M *V2

V2 =0.5 M * 100 ml /0.1 M

V2 = 500 ml