4. A 10.180 g sample of benzophenone is found to freeze at 46.8°C. When 0.680 g of an unknown are added to the 10.180 g of benzophenone, the resulting solution is found to freeze at 42.6°C. Calculate the molar mass for the unknown. K, for benzophenone is 9.80°C/m.

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4.
A 10.180 g sample of benzophenone is found to freeze at 46.8°C. When 0.680 g of an unknown
are added to the 10.180 g of benzophenone, the resulting solution is found to freeze at 42.6°C.
Calculate the molar mass for the unknown. K, for benzophenone is 9.80°C/m.
Transcribed Image Text:4. A 10.180 g sample of benzophenone is found to freeze at 46.8°C. When 0.680 g of an unknown are added to the 10.180 g of benzophenone, the resulting solution is found to freeze at 42.6°C. Calculate the molar mass for the unknown. K, for benzophenone is 9.80°C/m.
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