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The vapour pressure of two liquids P ans Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 moles of P and 2 moles of Q would be
- a)20 torr
- b)68 torr
- c)72 torr
- d)140 torr
Correct answer is option 'C'. Can you explain this answer?
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The vapour pressure of two liquids P ans Q are 80 and 60 torr, respect...
Given:
Vapour pressure of liquid P = 80 torr
Vapour pressure of liquid Q = 60 torr
Moles of P = 3
Moles of Q = 2
To find:
Total vapour pressure of the solution obtained by mixing P and Q
Solution:
The total vapour pressure of a solution can be calculated using Raoult's law which states that the vapour pressure of a solution is equal to the sum of the partial pressures of each component in the solution.
Partial pressure of P = Moles of P / Total moles of solution * Vapour pressure of P
Partial pressure of P = 3 / (3 + 2) * 80 = 48 torr
Partial pressure of Q = Moles of Q / Total moles of solution * Vapour pressure of Q
Partial pressure of Q = 2 / (3 + 2) * 60 = 24 torr
Total vapour pressure of the solution = Partial pressure of P + Partial pressure of Q
Total vapour pressure of the solution = 48 + 24 = 72 torr
Therefore, the correct option is (c) 72 torr.
Vapour pressure of liquid P = 80 torr
Vapour pressure of liquid Q = 60 torr
Moles of P = 3
Moles of Q = 2
To find:
Total vapour pressure of the solution obtained by mixing P and Q
Solution:
The total vapour pressure of a solution can be calculated using Raoult's law which states that the vapour pressure of a solution is equal to the sum of the partial pressures of each component in the solution.
Partial pressure of P = Moles of P / Total moles of solution * Vapour pressure of P
Partial pressure of P = 3 / (3 + 2) * 80 = 48 torr
Partial pressure of Q = Moles of Q / Total moles of solution * Vapour pressure of Q
Partial pressure of Q = 2 / (3 + 2) * 60 = 24 torr
Total vapour pressure of the solution = Partial pressure of P + Partial pressure of Q
Total vapour pressure of the solution = 48 + 24 = 72 torr
Therefore, the correct option is (c) 72 torr.
Community Answer
The vapour pressure of two liquids P ans Q are 80 and 60 torr, respect...
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The vapour pressure of two liquids P ans Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 moles of P and 2 moles of Q would bea)20 torrb)68 torrc)72 torrd)140 torrCorrect answer is option 'C'. Can you explain this answer?
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The vapour pressure of two liquids P ans Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 moles of P and 2 moles of Q would bea)20 torrb)68 torrc)72 torrd)140 torrCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The vapour pressure of two liquids P ans Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 moles of P and 2 moles of Q would bea)20 torrb)68 torrc)72 torrd)140 torrCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The vapour pressure of two liquids P ans Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by mixing 3 moles of P and 2 moles of Q would bea)20 torrb)68 torrc)72 torrd)140 torrCorrect answer is option 'C'. Can you explain this answer?.
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