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22 November, 16:03

What mass of mgf2 is contained in 80.85 g of a 22.4% by mass solution of mgf2 in water?

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  1. 22 November, 17:33
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    Formula: % by mass = (mass of solute / mass of solution] * 100

    dа ta:

    mass of solution = 80.85 g

    % by mass = 22.4%

    Unknown = mass of solute

    Solution

    % by mass = (mass of solute / mass of solution] * 100 = >

    mass of solute = % by mass * mass of solution / 100

    mass of solute = 22.4 * 80.85 / 100 = 18.11 g

    Answer: 18.11 g
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