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the formula of relative lowering of vapour pressure that we have studied is pi - p /pi ie, formula is ie, pi – p/p =n2/n1 .but in some problems formula ,the denominator is p instead of pi. in which cases should we take like that ie, pi – p/p =n2/n1

the formula of relative lowering of vapour pressure that we have
studied is pi - p /pi
ie, formula is  ie, pi – p/p =n2/n1
.but in some problems formula ,the denominator is p
instead of pi. in which cases should we take like that
  ie, pi – p/p =n2/n1

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Vikas TU
14149 Points
one year ago
Dear student 
Do not confuse in that , 
The denominator is pi means the vapour pressure of pure solvent.
Good Luck 
Cheers 

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