Q.
A sample of ammonium phosphate, (NH4)3PO4, contains 6 moles of hydrogen atoms. The number of moles of oxygen atoms in the sample is:
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a
1
b
2
c
4
d
6
answer is B.
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Detailed Solution
1 mol (NH4)3PO4.=12 mole H-atoms = 4 mole O-atoms6 mole H-atoms = 2 mole O-atoms
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