(c) $p = \ \frac{n_{1}RT + n_{2}RT + n_{3}RT}{V}$ = $\left( n_{1} + n_{2} + n_{3} \right)\frac{RT}{V}$ = $\left( \frac{8}{16} + \frac{14}{28} + \frac{22}{44} \right) \times \ \frac{0.082\ \times 300}{10} = 3.69$ atm
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.