Calculate the percentage of water molecules in hydrated calcium sulphate .
[Ca=40 , S=32 , O=16 , H=11]

Calculate the percentage of phosphorus in Calcium phosphate Ca_3 (PO_4)_2 .

Calculate the percentage composition of hydrated calcium chloride, CaCl_(2).6H_(2)O .

Calculate the mass percentage of each element in water (H_(2)O)

Calculate the percentage of phosphorus in Calcium hydrogen phosphate Ca(H_2PO_4)_2 .

Calculate the percentage of nitrogen in ammonium nitrate. [NH_4NO_3] [N=14 , H=1, O=16]

The H-O-H angle in water molecule is about

The H-O-H angle in water molecule is about

Calculate the percentage of water of crystalization in CuSO_(4).5H_2O (H = 1, O = 16, S = 32, Cu = 64)

Calculate the following: The percentage of water of crystallisation in MgSO_4.7H_2O [Mg =24, S=32, 0=16, H=1]