Diluting concentrated 1.74M acetic acid to prepare 200 ml of 8M stick solution. What volume of concentrated acid must be used

43.5 mL

Explanation:

We are given;

Molarity of dilute acetic acid is 1.74 M Volume of the solution that needs to be prepared is 200 mL Molarity of the stock solution 8 M

We are required to determine the volume of acid that must be used.

We need to know the dilution formula; According to the dilution equation;

M1V1 = M2V2

Rearranging the formula;

V1 = M2V2 : M1

= (1.74 M * 200 mL) : 8 M

= 43.5 mL

Therefore, the volume of the concentrated acid that must be added is 43.5 mL