MCQ
Number of $gm$ of oxygen in $32.2\,g$ $N{a_2}S{O_4}.10{H_2}O$ is
- A$20.8$
- ✓$22.4$
- C$2.24$
- D$2.08$
$322\,gm$ $N{a_2}S{O_4}.10{H_2}O$ contains = $224 \,gm$ oxygen
$32.2\,gm$ $N{a_2}S{O_4}.10{H_2}O$ contains = $\frac{{32.2 \times 224}}{{322}} = 22.4\,gm$
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$CS_2 + 3O_2 \,\,\to \,\, 2SO_2 + CO_2$