The initial mass of the sample of ZnSO4 * 7H2O is 60.0g. What is the mass of this sample after it was totally (100%) dehydrated by heating on the mantle?
a. What is mass percent of water in this hydrate?
b. What is mass of water 60.0 g of ZnSO4 * 7H2O?
c. What is the mass of the sample after it was dehydrated?