Calculate the partial pressure exerted by dioxygen from a mixture of $32 \mathrm{~g} \mathrm{O}_2, 80 \mathrm{~g} \cdot \mathrm{Ar}$ (mol.mass 40) and 4 g dihydrogen( $\mathrm{P}_{ ext {total }}=10 \mathrm{bar}$ ).

Question

Calculate the partial pressure exerted by dioxygen from a mixture of $32 \mathrm{~g} \mathrm{O}_2, 80 \mathrm{~g} \cdot \mathrm{Ar}$ (mol.mass 40) and 4 g dihydrogen( $\mathrm{P}_{	ext {total }}=10 \mathrm{bar}$ ).

Aicharya · Accepted Answer

$\begin{aligned} & \mathrm{n}_{\mathrm{O}_2}=\frac{32}{32}=1 \mathrm{~mol} \ & \mathrm{n}_{\mathrm{Ar}}=\frac{80}{40}=2 \mathrm{~mol} ; \mathrm{n}_{\mathrm{H}_2}=\frac{4}{2}=2 \mathrm{~mol} \ & x_{\mathrm{O}_2}=\frac{\mathrm{n}_{\mathrm{O}_2}}{\mathrm{n}_{\mathrm{Total}}}=\frac{1}{1+2+2}=\frac{1}{5}=0.2 \ & \mathrm{P}_{\mathrm{O}_2}=x_{\mathrm{O}_2} 	imes \mathrm{P}_{	ext {Total }}=0.2 	imes 10=2 \mathrm{bar}\end{aligned}$

Calculate the partial pressure exerted by dioxygen from a mixture of $32 \mathrm{~g} \mathrm{O}_2, 80…

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