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QUESTION
If 2.68 g of hydrated sodium sulfate, Na2SO4.xH2O, on heating produces 1.26 g H2O, what is the empirical formula of this compound?
If 2.68 g of hydrated sodium sulfate, Na2SO4.xH2O, on heating produces 1.26 g H2O, what is the empirical formula of this compound? Molar Masses Na2SO4 142. g·mol-1 H2O 18.0 g·mol-1 (A) Na2SO4·3H2O (C) Na2SO4·7H2O (B) Na2SO4·5H2O (D) Na2SO4·10H2O
