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Chemistry

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Calculate the amount of water (in grams) that must be added to (a)5.00 g of urea (NH2)2CO in the preparation of a 16.2 percent by mass solution, and (b)26.2g of MgCl2 in the preparation of a 1.5 percent by mass solution.

  • Chemistry -

    a)
    [5.00/(5+x)] = 0.162
    Solve for x.

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