7. A sample of ammonium phosphate, (NH4)3PO4 contains 18 moles of hydrogen atoms. The number of moles of oxygen atoms in the sample is
(1) 6 (2) 18 (3) 4 (4) 24
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may be 18 iihdg sakta fhjj fgyk
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Answer:
It is 144.
Explanation:
Because hydrogen and oxygen are in ratio 1:8.
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