Chemistry

A 5 gram sample of a hydrate of BaCL2 was heated, and only 4.3g of the anhydrous salt remained. What percentage of water was in the hydrate?

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  1. How much water water was evolved? That is 5g - 4.3 g = 0.7g
    %H2O = (0.7/5)*100 = ?

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  2. 14%

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