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    amreen_zaman's Avatar
    amreen_zaman Posts: 1, Reputation: 1
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    #1

    Feb 25, 2012, 12:28 AM
    The salt FeSO4xH2O contains 45.3% water. Find the value of x.
    The salt FeSO4xH2O contains 45.3% water. Find the value of x.
    DrBob1's Avatar
    DrBob1 Posts: 425, Reputation: 86
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    #2

    Feb 25, 2012, 04:08 PM
    In 100 grams of crystals, how many grams of FeSO4 do you have? How many moles?
    How many grams of H2O do you have? How many moles?
    Divide moles of H2O by moles of FeSO4 and you have n.
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