Question

A sample of ammonium phosphate (nh4)3po4 contains 3.18 moles of hydrogen atoms. The no of moles of oxygen atom in the sample is

Answer 1

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Answer 2

$\Huge\blue{\mathfrak{\underline{\underline{answer}}}}$

$\large\red{\textbf{1.06 moles}}$

$\Huge\blue{\mathfrak{\underline{\underline{Solution}}}}$

→ 1 mole of (NH4)3PO4 will contain 12 mole H- atom

→ So, 3.18 mole of H-atom will be present in

→ 1/12 × 3.18 moles of (NH4)3PO4

= 0.265 moles of (NH4)3PO4

→ 1 mole of (NH4)3PO4 contains 4 moles of H-atom.

→ So, 0.265 (NH4)3PO4 will contain

→ 4×0.265 = 1.06 moles of oxygen atoms.