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4 June, 15:11

What is the molarity a 3.2 L aqueous solution with 12g of KCl

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  1. 4 June, 15:28
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    Answer:0.05M

    Explanation:

    Mass=12g

    Volume in liters = 3.2L

    Molecular mass of KCL=1x39.0983+1x35.453=74.5513

    Number of moles=mass ➗ molecular mass

    Number of moles=12 ➗ 74.5513

    Number of moles=0.16

    Molarity=number of moles ➗ volume in liters

    Molarity=0.16 ➗ 3.2

    Molarity=0.05M
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