5. Solving a chemistry problem
2. The vapor pressure of diethyl ether (C4H10O) at a temperature of 293 K is 0.589 * 105 Pa, and the vapor pressure over the solution, formed when 0.0061 kg of benzoic acid is dissolved in 0.05 kg of diethyl ether, is 0.548 Pa 105 Pa. Calculate the molecular weight of benzoic acid.
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