a sample of ammonium phosphate (NH4)3PO4 contains 3.18 mole of H atoms. number of mole of o atoms in the sample is:

Answer 1

mols (NH4)3PO4 = 3.18 mols H x (1 mol (NH4)3PO4/12 mols H) = ?
Then mols O is 4x that since there are 4 atoms O in 1 molecule (NH4)3PO4

Answer 2

47.2

Answer 3

4B