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16 June, 15:40

How many grams of KOH used to make 1.6 liters of 15% by mass solution with water as the solvent?

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  1. 16 June, 18:14
    0
    Given:

    KOH used to make 1.6 liters of 15% by mass solution with water

    Required:

    grams of KOH

    solution:

    the density of KOH is equal to 2.12 kg/L

    multiply the known volume of KOH to the density and the percentage of KOH in water

    mass of KOH = 1.6 L (2.12 kg/L) (0.15) = 22.61 grams of KOH
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