Number of gm of oxygen in \( 32.2 \mathrm{~g} \mathrm{Na}_{2} \math...

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Number of gm of oxygen in \( 32.2 \mathrm{~g} \mathrm{Na}_{2} \mathrm{SO}_{4} \cdot 10 \mathrm{H}_{2} \mathrm{O} \)
\( \mathrm{P} \) is

W
(A) 20.8
(B) 22.4
(C) 2.24
(D) 2.08
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