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17 September, 01:22

How many grams of Cl are in 465g of CaCl2

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  1. 17 September, 01:41
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    2 ways to do this

    a. find %Cl in CaCl2

    2 x 35.45g/mole = 70.9g Cl

    70.9g Cl / 110.9g/mole CaCl2 = 63.93% Cl in CaCl2

    0.6963 x 145g = 92.7g = mass Cl

    b. determine moles CaCl2 present then mass Cl

    145g / 110.9g/mole = 1.31moles CaCl2 present

    2moles Cl / 1mole CaCl2 x 1.31moles = 2.62moles Cl

    2.62moles Cl x 35.45g/mole = 92.7g Cl
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