120gram ZnSO4. 7H2O heated and it becomes anhydrous then what amount of mass loss occur and find out mass of residue

120gram ZnSO4. 7H2O heated and it becomes anhydrous then what amount o

1.	120gram ZnSO4. 7H2O heated and it becomes anhydrous then what amount of mass loss occur and find out mass of residue
Answer» tion:The MASS of WATER lost and the mass of RESIDUE left are GIVEN in the images