Question

1.625 g of anhydrous ZnSO4 was placed in moist air. After few days its weight was found to be 2.857g. What is the molecular formula of hydrated salt?

Answer 1

Answer:

Explanation:

percentage of h2o = 1.232/2.857 *100 = 43

1800x / 161+18x = 43

1026x = 6923

x=7

formula = znso4.7h2o