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18 February, 10:37

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

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  1. 18 February, 10:54
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    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
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