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21 February, 13:53

A 14 wt% solution of cacl2 (110.98 g/mol) has a density of 1.126 g/ml. what is the mass (in milligrams) of a 20.0-ml solution of 14.0 wt% cacl2?

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  1. 21 February, 14:20
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    Density = mass / volume

    Thus, Mass of the solution can be expressed as:

    Mass of solution = Density of solution * volume of solution

    Given - Density of solution = 1.126 g/ml

    volume of solution = 20.0 ml

    ∴ Mass of 14 wt% solution of CaCl2 = (1.126 g/ml) * (20 ml)

    = 22.52 g

    = 22520 mg
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