chemistry

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An isotonic solution contains 0.86% by mass per volume. Calculate the percent mass per volume for an isotonic solution of KCl at 30 degrees C. Assume a van't Hoff factor of 1.9.

  • chemistry -

    Just figured this out for my Chemistry class.

    .86 / (23 + 34.45) = X / (39 + 34.45)

    Solve for X

    ( .86 / (23 + 34.45) ) * (39 + 34.45)

    1.099 = X

    X =

  • chemistry -

    mark, what does the 23 represent?

  • chemistry -

    23 stands for the GFM of sodium

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