NEET Physics Ideal Gas Equation MCQ Question with Solution

Given a mixture of ideal gases, if the partial pressure ratio of gas A to gas B is 3:2, and the number of moles of gas A, $\mu_1$ , is 0.3 mol, what is the number of moles of gas B, $\mu_2$ ?

A

0.2 mol

B

0.45 mol

C

0.5 mol

D

0.4 mol

Correct Answer

Option B

Detailed Explanation

According to the ideal gas equation $(P_1/P_2) = (\mu_1/\mu_2)$ . Given $(P_1/P_2) = 3/2$ and $\mu_1 = 0.3$ mol, we solve $(0.3/\mu_2) = 3/2$ to find $\mu_2 = 0.45$ mol.

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