Question

A solution was prepared by mixing 20mL of a solute in 30mL of solvent. The final volume of the solution was observed to be slightly less than 50ml. Name the type of deviation from Raoult's law exhibited by this solution and give an example of such type of solution. ii) Nine grams of an unknown solute were​

Answer 1

Answer:

10mL of liquid 'A' is mixed with 10mL of liquid 'B', the volume of the resultant solution is 19.9mL. What type of deviation expected from Raoult's law?

Easy

Solution

Negative deviation is expected from Raoult's law.

Note: The volume of the resultant solution < [ volume of liquid 'A' + volume of liquid 'B' ]

Thus when two liquids are mixed, there is decrease in the volume.

This is characteristic of negative deviation from Raoult's law.

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