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5 July, 06:30

What mass of Ca (OH) 2 is needed to make 1250ML of a. 75M solution?

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  1. 5 July, 08:47
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    69.4kg

    Explanation:

    mole = volume/1000 * mole conc.

    =1250/1000 * 0.75

    mole = 0.9

    :• mole = mass / molar mass

    mass = 0.9*[40+32+2]

    =69.4kg
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