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OpenStudy (anonymous):
Suppose you want to know the formula of a hydrate of magnesium nitrate. If you heat 1.263g of the hydrate until all of the water is vaporized, the mass of anhydrous Mg(NO3)2 is 1.016g. What is the formula of the hydrate ie what is the value of x in Mg(NO3)2.xH2)? (the formula weight of anhydrous magnesium nitrate is 148.31g/mol)
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