Correct answer: 19. According to Roult's law: P T = X A P A ∘ + X B P B ∘ P T = 1 3 × 21 + 2 3 × 18 = 7 + 12 P T = 19 kPa.

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AITS & Test SerieshardNUMERICAL

Question

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Answer: 19

💡 Solution & Explanation

According to Roult's law: P T = X A P A ∘ + X B P B ∘ P T = 1 3 × 21 + 2 3 × 18 = 7 + 12 P T = 19 kPa.

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