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```
At 1000C, the vapour pressure of a solution of 6.5 g. of a solute in 100g. water is 732 mm. What is the boiling point of the solution? (Kb = 0.52)

```
3 years ago

Vikas TU
14146 Points
```							Raoult's aw of Partial pressure Pa^0 - Ps / Ps = nb /na Putting the values 28 / 732 = 6.5 * 18 / Mb *100 Mb = 30.6 Del Tb = 0.52 * 6.5 * 1000/ 30.6 * 100 => 1.10 Boiling point = 100+ 1.10 => apx 101 degree centigrade
```
one year ago
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