Arrange the following in order of increasing mass I. 1 mole of $\mathrm{N}_2$ II. $0.5 \mathrm{~mole}^2$ of $\mathrm{O}_3$ III. $3.011 \times 10^{23} \mathrm{molecules}$ of $\mathrm{O}_2$ IV. 0.5 gram atom of $\mathrm{O}_2$

Question

Arrange the following in order of increasing mass I. 1 mole of $\mathrm{N}_2$ II. $0.5 \mathrm{~mole}^2$ of $\mathrm{O}_3$ III. $3.011 \times 10^{23} \mathrm{molecules}$ of $\mathrm{O}_2$ IV. 0.5 gram atom of $\mathrm{O}_2$, IV $ < $ III $ < $ II $ < $ I, IV $ < $ I $ < $ III $ < $ II, III $ < $ II $ < $ IV $ < $ I, I $ < $ III $ < $ II $ < $ IV

MARKS App · Accepted Answer

Hint : 1 mole $\mathrm{N}_2=28 \mathrm{~g}$ $0.5 \mathrm{~mole} \mathrm{O}_3=24 \mathrm{~g}$ $3.011 \times 10^{23}$ molecules of $\mathrm{O}_2=1 / 2$ mole $\mathrm{O}_2=1$ mole $\mathrm{O}=16 \mathrm{~g}$ $0.5 \mathrm{~g}$ atom $\mathrm{O}_2=1 / 2$ mole of atoms of $\mathrm{O}=8 \mathrm{~g}$

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