A sample of ammonium phosphate, (NH4)3PO4 , contains 6 moles of hydrogen atoms. The number of moles of oxygen atoms in the sample is :
The usefulness of a fertilizer depends upon percentage of nitrogen present in it. Find which of the following is a better fertilizer: (a) ammonium nitrate [NH4NO3] (b) ammonium phosphate [(NH4)3PO4] (N = 14, H = 1, O = 16, P = 31)