1.615g of anhydrous znso4 was placed in moist air. after few days it's mass was found to be 2.875g.what is the molecular formula of the hydrated salt? (atomic masses:and=65.5,s=32,O=16)

1.615g of anhydrous znso4 was placed in moist air. after few days it's

1.	1.615g of anhydrous znso4 was placed in moist air. after few days it's mass was found to be 2.875g.what is the molecular formula of the hydrated salt? (atomic masses:and=65.5,s=32,O=16)
Answer» ZN =40.6%, S=19.8%,O=39.6%