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Please answer the following question with explanation

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Asked by deepakudgiri29 7th January 2019, 9:56 PM
Answered by Expert
Answer:
Let,
 
Total pressure = P
 
No.of moles of A in liquid state = x mole
 
No.of moles of A in vapour state =(10 - x) mole
 
No.of moles of B in liquid state =  y mole
 
No.of moles of B in vapour state =(10 - y) mole
 
We have,
 
x + y = 10
 
straight P cross times fraction numerator open parentheses 10 minus straight x close parentheses over denominator 10 minus straight x plus 10 minus straight y end fraction space equals space 200 cross times fraction numerator open parentheses straight x close parentheses over denominator open parentheses straight x plus straight y close parentheses end fraction


straight P cross times fraction numerator open parentheses 10 minus straight y close parentheses over denominator 10 minus straight x plus 10 minus straight y end fraction space equals space fraction numerator 100 open parentheses straight y close parentheses over denominator open parentheses straight x plus straight y close parentheses end fraction
After solving the equation,
 
we get,
 
x =4.15
 
y= 5.85
 
P= 141.5 mmHg
 
 
 
 
 
Answered by Expert 9th January 2019, 4:26 PM
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