1.61gm of anhydrous `ZnSO_(4)` was placed in moist air after few days its weight was found to be 2.87 gm. What is the molecular formular by hydrated salt? [Zn = 65]

1.615 g of anhydrous ZnSO_(4) was left in moist air. After a few days its weight was found to be 2.875 g. What is the molecular formula of hydrated salt ? (At. Mass: Zn=65.5, S=32, O=16, H=1)

1.420 g of anhydrous ZnSO_(4) was left in moist air. After a few days its weight was found to be 2.528 g. How many water molecules are present in its hydrated salt formula (molar mass of ZnSO_(4) = 161.5)?

Dry air was passed successively through a solution of 5 gm of solute dissolved in 80.0 gm of water and through pure water. The loss in weight of the solution was 2.5 gm and that of the pure solvent was 0.04 gm. What is the molecular weight of the solute?

Dry air was passed successively through a solution of 5 gm of solute dissolved in 80.0 gm of water and through pure water. The loss in weight of the solution was 2.5 gm and that of the pure solvent was 0.04 gm. What is the molecular weight of the solute?

Dry air was passed successively through a solution of 5 gm of solute dissolved in 80.0 gm of water and through pure water. The loss in weight of the solution was 2.5 gm and that of the pure solvent was 0.04 gm. What is the molecular weight of the solute?

Dry air was passed successively through a solution of 5 gm of solute dissolved in 80.0 gm of water and through pure water. The loss in weight of the solution was 2.5 gm and that of the pure solvent was 0.04 gm. What is the molecular weight of the solute?