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1 November, 03:19

A 14.0 wt% solution of CaCl 2 (110.98 g/mol) has a density of 1.126 g/mL. What is the mass, in milligrams, of a 19.2 mL solution of 14.0 wt% CaCl 2

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  1. 1 November, 07:07
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    2.16 * 10⁴ mg

    Explanation:

    A 14.0 wt% solution of CaCl₂ (110.98 g/mol) has a density of 1.126 g/mL. The density (ρ) of a solution is equal to the quotient between its mass (m) and its volume (V).

    ρ = m/V

    We can use this expression to find the mass of 19.2 mL of the 14.0 wt% solution of CaCl₂.

    ρ = m/V

    m = ρ * V

    m = 1.126 g/mL * 19.2 mL

    m = 21.6 g

    1 gram is equal to 1000 milligrams. The milligrams corresponding to 21.6 grams are:

    21.6 g * (1000 mg/1 g) = 2.16 * 10⁴ mg
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