Percentage composition of a compound is the percentage by
None of the above
What is the percentage composition of iron in ferric sulphate, given mass of iron is 56 amu?
The mass percentage of nitrogen in urea (NH2CONH2)is:
Percentage composition of hydrogen in benzene (C6H6) is :
What is the percentage composition of Water in Gypsum salt?
What are the percentage composition of N and C in Urea respectively?
Urea is a very important nitrogenous fertilizer. Its formula is CON2H4. Calculate the percentage of carbon in urea.
(C = 12, O = 16, N = 14 and H = 1)
Calculate the percentage composition of each element in Potassium chlorate, KClO3
Calculate the percentage of phosphorus in :
(a) Calcium hydrogen phosphate Ca(H2PO4)2
(b) Calcium phosphate Ca3(PO4)2
Find the percentage mass of water in the Epson salt MgSO4.7H2O.