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Use the Clausius-Clapeyron equation to solve this problem. 

At 34.1°C, the vapor pressure of water is 40.1 torr. What is the vapor pressure (in torr) at 81.3°C? The ΔHvap of water is 40.7 kJ/mol. Units need to match. R= 0.0821 l atm/mol K, R= 8.314 J/mol K.

Enter to one decimal place.

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