Dry air was successively passed through a solution of 5g solute in 80 g water and then through pure water. The loss in weight of solution was 2.5g and that of pure water was 0.04g. The mol. wt. of solute is

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Dry air was passed successively through a solution of 5 gm of a solute in 80 gm of water and then through pure water. The loss in weight of solution was 2.50 gm and that of pure solvent 0.04 gm . What is the molecular weight of the solute?

Q. Dry air was passed successively through a solution of 5 g of the solute in 180 g of water and then through pure water. The loss in the weight of solution was 2.50 g and that of pure solvent 0.04 g. The molecular weight of the solute is

Q. Dry air was passed through a beaker solution containing

15 g

of solute and

120 g

of water. Then, it passed through a beaker containing pure water solvent. Loss in weight of the solution beaker was

2 g

and loss in weight of solvent beaker was

0.05 g

. What is the molecular weight of the solute ?

Q. Dry

N_{2}

was passed successively through a solution of solute

A_{2} B

in water at

27^{o} C

and then through pure water. The loss in mass of solution was 2.5 g and that of pure water was 0.04 g. Find the degree of dissociation of salt

A_{2} B

when solution of

A_{2} B

has same concentration as 1.86% (mass/vol) solution of urea at

27^{o} C

. Assume molarity is equal to molality. Divide answer by 10 and write the nearest integer.

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