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A quantity of liquid water comes into equilibrium with the air in a closed container, without completely evaporating, at a temperature of 25.0 °C. How many grams of water vapor does 9 liters of the air contain in this situation? The vapor pressure of water at 25.0 °C is 3.1690 kPa. (The molar mass of water is 18.0153 g/mol.)

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