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Algebra 2

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How much pure acid must be added to 6 milliliters of a 5% acid solution to produce a 40% acid solution? Please Show All Work!

  • Algebra 2 - ,

    c1 v1 + c2 v2 = c3 (v1+v2)

    5 x 6 + 100(Pure acid) x v2 =
    40(6+v2)

    30 + 100v2 = 240 + 40v2

    60v2 = 210

    v2 = 21/6 = 7/2 =
    3.5ml is the answer

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