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The boiling point of pure acetone is 56....

The boiling point of pure acetone is `56.38^(@)C`. When 0.707 g of a compound is dissolved in 10 g of acetone there is elevation to `56.88^(@)C` in b.p What is the mol.wt. of the comound ?
`(K_(b)` of acetone=1.72 K kg `mol^(-1)`)

Text Solution

Verified by Experts

`Delta T_b=K_b times m`
`implies (56.88-56.38)=1.72 times 0.707/M_B times 1000/10`
`therefore M_B=243.2`
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