1.

When10of anon-volatilesoluteisdissolvedin 100g ofbenzene. Itraisesboilingpointby 1^(@)Cthen moles massof thesoluteis ______.

Answer»

223 G
233 g
243 g
253 g

Solution :`DELTA T_(B)=(K_(b)xx W xx1000)/(m xx W)`
`m=(K_(b)xx wxx 1000)/(Delta T_(b)xx W)=(2.53xx10xx1000)/(1xx100)=253 g`


Discussion

No Comment Found