What is mole fraction?

State the formula relating pressure of a gas with its mole fraction in a liquid solution in contact with it.

What is the fractional error in g calculated from T = 2iW//g ? Given fractional errors in T and / are ±x and +y respectively.

The coefficient of volume expansion of glycerin is 49 XX 10^-5 K^-1 What is the fractional change in its density for a 30 ^@C rise, in temperature?

Form the pair of linear equations in the following problems,and find their solutions(if they exist) by the elimination method:(i)If we add 1 to the numerator and subtract 1 from the denominator a fraction reduces to 1.It becomes 1/2 if we only add 1 to the denominator.What is the fraction?

Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride.

Calculate the mole fraction of glucose C_6H_12O_6 in a solution containing 20% glucose by mass.

2 mol ethanol is dissolved in 3 mol water. Calculate the mole fraction of water in the solution.

At a certain temeperature, the vapur pressure of CH_3OH and C_2H_5OH solution is represented by P = 119x+135. Where x is the mole fraction of CH_3OH . What are the vapur pressure of the pure components at this temperature?

What concentration of nitrogen should be present in a glass of water at room temperature at 25^@C , a total pressure of 1 atm and mole fraction on nitrogen in air of 0.78 [ K_H for nitrogen = 8.42xx10^(-7)M//mmHg ].

A plot is obtained for two volatile liquids A & B as follows. From the plot answer the following. What is the mol fraction of vapour phase of componant A over the solution?