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13 February, 06:46

Calculate the volume required to dissolve 11.2 g cuso4 to prepare a 0.140m solution

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  1. 13 February, 07:10
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    Answer is: 0,5 dm³ to dissolve.

    m (CuSO₄) = 11,2 g.

    c (CuSO₄) = 0,140 mol/dm³,

    V (CuSO₄) = ?

    n (CuSO₄) = m (CuSO₄) : M (CuSO₄).

    n (CuSO₄) = 11,2 g : 159,6 g/mol.

    n (CuSO₄) = 0,07 mol.

    V (CuSO₄) = n (CuSO₄) : c (CuSO₄).

    V (CuSO₄) = 0,07 mol : 0,14 mol/dm³.

    V (CuSO₄) = 0,5 dm³.
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