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The vapour pressure of ether (molecular ...

The vapour pressure of ether (molecular mass = 74) is 442 mm Hg at 293 K. If 3g of a compound A are dissolved in 50g of ether at this temperature, the vapour pressure falls to 426 mm Hg. Calculate the molecular mass of A assuming that the solution of A is very dilute.

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The correct Answer is:
m= 123
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OP TANDON-SOLUTIONS (GENERAL AND COLLIGATIVE PROPERTIES)-Practice Problem
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