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15 November, 09:54

How many grams of a stock solution that is 92.5 percent H2SO4 by mass would be needed to make 250 grams of a 35.0 percent by mass solution? Show all of the work needed to solve this problem.

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  1. 15 November, 12:44
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    M1m1 = M2m2

    where M1 is the concentration of the stock solution, m1 is the mass of the stock solution, M2 is the concentration of the new solution and m2 is its new mass.

    M1m1 = M2m2

    .925 (m1) =.35 (250)

    m1 = 94.59 g
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