A certain quantity of vapour of a liquid mixed with air is containe din a vessel of constant volume. The pressure shown at 20^(@)C and 80cm of mercury and at 40^(@)C it is 100cm. The vapour pressure of the liquid at 20^(@)C is 15cm of mercury. Calculate the same at 40^(@)C.

A certain quantity of vapour of a liquid mixed with air is containe di

1.	A certain quantity of vapour of a liquid mixed with air is containe din a vessel of constant volume. The pressure shown at 20^(@)C and 80cm of mercury and at 40^(@)C it is 100cm. The vapour pressure of the liquid at 20^(@)C is 15cm of mercury. Calculate the same at 40^(@)C.
Answer» ANSWER :`30.6cm` of MERCURY