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31 March, 21:29

A student needs to prepare 50.0 mL of a 1.30 M aqueous H 2 O 2 solution. Calculate the volume of 5.0 M H 2 O 2 stock solution that should be used to prepare the solution.

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  1. 31 March, 23:42
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    Answer: 13mL

    Explanation:

    C1 = 5M

    V1 = ?

    C2 = 1.3M

    V2 = 50mL

    C1V1 = C2V2

    5 x V1 = 1.3 x 50

    V1 = (1.3 x 50) / 5

    V1 = 13mL
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