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what would have happened if we have taken solvent first and solution second in ostwald walker method?

what would have happened if we have taken solvent first and solution second in ostwald walker method?

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3 Answers

Radhika Batra
247 Points
10 years ago

Dear Vivek,

If we have taken solvent first and solution second in Ostwal Walker Method, then the air is passed through solvent first, then loss in mass will e directly proportional to V.P. of pure solvent and in the solution one, no loss in wt will occur so the total loss in wt will still be the same. 

In other words ..
  
Ostwald Walker Method is used to measure relative lowering of VP of a liquid mean P0-Ps/P0, if u pass dry air over solution first then it is possible to get P0-Ps.  if u reverse it then you will get Ps-P0 which has no significance. So Ostwald Walker Method will not work in that case. 

 

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Thanks

Vips

vivek aggarwal
4 Points
10 years ago

Sir,

Will there be any gain of mass in solvent rather than loss?

i think that vapours released will condense and will result in gain of mass.

vivek reddy
18 Points
8 years ago

its good expialnation sir 

i wouldnt under stand about ISEET sir??

plz tell about with clear information sir

 

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