Calculate the molecular weight of a substance if the freezing point of a solution containing 100 g of benzene and 0.2 g of the substance is 0.17 K below that of benzene. The cryoscope constant of benzerne is 5.16 K `kgmol^(-1)`

Explanation

To calculate the molecular weight of the substance, we can use the formula related to freezing point depression:

\[ \Delta T_f = K_f \times m \]

where:
- \(\Delta T_f\) is the depression in freezing point,
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