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                                    1.615 g of anhydrous ZnSO4 was places in moist air. After a few days, its mass was found to be 2.875g. The molecular formula for hydrated zinc sulphate is | 
                            
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Answer»  1.615 g of anhydrous ZnSO4 was places in moist air. After a few days, its mass was found to be 2.875g. The molecular formula for hydrated zinc sulphate is  | 
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