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13. A student was asked to analyze a crystal of FeSO4xH2O in order to find the value of x. The student heated 5.56g of FeSO4xH2O

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13. A student was asked to analyze a crystal of FeSO4xH2O in order to find the value of x. The student heated 5.56g of FeSO4xH2O to a constant mass. The mass of the anhydrous FeSO4 that was left over was 3.04g. [ Fe=56,FeSO4=152] a) What is the number of moles of FeSO4 that was left over? b) What is the number of moles of H2O that was present in 5.56gFeSOF4HH2O ? c) What is the value of x in FeSO4xH2O ? d) What is the significance of the statement "The student heated ... to a constant mass

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