When 3 . 00   g of a substance X ' is dissolved in 100   g of CCl 4 , it raises the boiling…

When 3.00 g of a substance X' is dissolved in 100 g of CCl4, it raises the boiling point by 0.60 K. The molar mass of the substance ' X' is  ___ g mol-1.
(Nearest integer).
[Given Kb for CCl4 is 5.0 K kg mol-1

Solution

ΔTb=Kb× molality

0.60=5×3/M100/100

M=Molar mass

M=250.

Asked in: JEE Main 2021 (25 Jul Shift 2)

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