Question:
At constant temperature, 6.40 g of a substance dissolved in 78 g of benzene decreases the vapor pressure of benzene from 0.125 atm to 0.119 atm. The molar mass of the substance is ____g mol-1. (round off to one decimal place)
[Given: Mol. wt. of benzene = 78 g mol-1]
At constant temperature, 6.40 g of a substance dissolved in 78 g of benzene decreases the vapor pressure of benzene from 0.125 atm to 0.119 atm. The molar mass of the substance is ____g mol-1. (round off to one decimal place)
[Given: Mol. wt. of benzene = 78 g mol-1]
[Given: Mol. wt. of benzene = 78 g mol-1]
Updated On: Oct 1, 2024
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Correct Answer: 126
Solution and Explanation
The correct answer is: 126.0 or 128.0 (approx.)
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