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14 October, 18:22

How many liters of 13.5 molar HCL stock solution are needed to make 10.5 liters of a 1.8 molar HCL solution? Show all the steps taken to solve this problem.

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  1. 14 October, 18:39
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    To solve this problem. use the formula

    m1 v1 = m2 v2

    where m1 is the molarity of the stock soln

    v1 is the volume of the stock soln

    m2 is the molarity of the new soln

    v2 is the volume of the new soln

    m1 v1 = m2 v2

    13.5 (v2) = (10.5) (1.8)

    v2 = (10.5) (1.8) / 13.5

    v2 = 1.4 L is needed from the 13.5 M HCl stock soln
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