1 liter of carbon dioxide gas is collected over water at 100o C. If the total pressure in the container is 200.0 kPa, what is the pressure exerted by the carbon dioxide?

Pressure exerted by carbon dioxide is 112.28 Kpa.

Explanation:

data given:

volume of gas = 1 litre

temperature of water = 100 degrees OR 373.15 k

pressure = 200 kpa

pressure exerted by carbon dioxide = ?

The vapour pressure of water would give the partial pressure of water as carbon dioxide gas is collected from water. At a temperature of 100 degrees the vapour pressure of water is 87.72 kpa which is now the partial pressure of water.

Applying Dalton's law of pressure

Ptotal = P co2 + Pwater

pco2 = Ptotal - Pwater

200 - 87.72 kpa

Pco2 = 112.28 Kpa is the pressure on carbon dioxide.

This is the pressure exerted by carbon dioxide in the container.