Mass of a non-volatile solute (molar mass =45gmol^`(-)1`) that should be dissolved in 90g water to reduce its vapour pressure to 75% is

Calculate the mass of a non-volatile solute ( molecular mass 40 ) which should be dissolved in 114 g octane to reduce its vapour pressure to 80% .

Calculate the mass of a non-volatile solute ( molecular mass 40 ) which should be dissolved in 114 g octane to reduce its vapour pressure to 80% .

The mass of a non-volatile solute of molar mass 40g" "mol^(-1) that should be dissolved in 114 g of octane to lower its vapour pressure by 20% is

What weight of a non-volatile solute (molar mass 40 g) should be dissolved in 114 g of octance to reduce its vapour pressure by 20%.

What is the mass of a non-volatile solute (molar mass 60) that needs to be dissolved in 100 g of water in order to decrease the vapour pressure of water by 25%. What will be the molality of the solution?

Calculate the weight of non - volatile solute having molecular weight 40, which should be dissolvd in 57 gm octane to reduce its vapour pressure to 80% :

What mass of non-volatile solute, sucrose, need to be dissolved in 100g of water to decrease the vapour pressure of water by 30%?

What mass of non-volatile solute (urea) needs to be dissolved in 100 g of water in order to decrease the vapour pressure of water by 30% . What will be the molality of solution?

What mass of urea be dissolved in 171 g of water so as to decrease the vapour pressure of water by 5% ?

How many grams of a non volatile solute having a molecular mass of 90 g/mole are to be dissolved in 97.5 g water in order to obtain relative lowering in the vapour pressure of 2.5 percent: