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(A) According to Dalton's Law of Partial Pressures,the partial pressure of a gas is given by the product of its mole fraction and the total pressure o

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$0.5$

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(A) According to Dalton's Law of Partial Pressures,the partial pressure of a gas is given by the product of its mole fraction and the total pressure of the mixture. Since the mixture contains equal moles of $CO$ and $N_2$,the mole fraction of $N_2$ $(X_{N_2})$ is $\frac{1}{1+1} = 0.5$. Given the total pressure $(P_T) = 1 \ atm$. Therefore,the partial pressure of $N_2$ is $P_{N_2} = X_{N_2} 	imes P_T = 0.5 	imes 1 = 0.5 \ atm$.

$A$ gaseous mixture was prepared by taking equal moles of $CO$ and $N_2$. If the total pressure of the mixture was found to be $1 \ atm$,the partial pressure of the nitrogen $(N_2)$ in the mixture is $...$ $atm$.

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