CHEMISTRY · Subjective · A Level · Chemistry · Amount of substance · Amount of substance
Problem
A closed vessel contains air, saturated water vapours and excess of water. The total pressure in the vessel is 760 mm Hg at 25°C. The temperature is raised to 100°C. Calculate the total pressure in vessel at 100°C. Aqueous tension of H2O at 25°C and 100°C are 24 mm and 760 mm Hg.