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15 June, 04:57

The stock solution of hydrochloric acid is 12.0M HCI. If the teacher starts with 130 ml of this concentrated acid, what volume of 3.0M HCI can be prepared?

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  1. 15 June, 08:54
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    520mL

    Explanation:

    Data obtained from the question include:

    Molarity of stock solution (M1) = 12M

    Volume of stock solution (V1) = 130mL

    Molarity of diluted solution (M2) = 3M

    Volume of diluted (V2) = ... ?

    The volume of the diluted solution can be obtained as follow:

    M1V1 = M2V2

    12 x 130 = 3 x V2

    Divide both side by 3

    V2 = 12 x 130 / 3

    V2 = 520mL.

    Therefore, 520mL of the diluted solution can be prepared.
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