Home
Class 11
CHEMISTRY
Calculate molality of 1 litre solution o...

Calculate molality of 1 litre solution of 93% `H_(2) SO_(4)` by volume. The density of solution is `1.84 g mL^(-1)`.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D

Density `= 1.84 g L^(-1)`
Mass of `100 mL` solution `= 100 xx 1.84 = 184 g`
Mass of `H_(2) SO_(4)` in `100 mL` solution `= 93 g`
Mass of water is `100 mL` solution `= 184 - 93 = 91 g`
Molality `= (93)/(98) xx (1)/(91) xx 1000 = 10.428`
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the molarity (M) and molality (m) of 16% aqueous methanol (CH_(3) OH) solution by volume. Density of solution = 0.9 g mL^(-1) .

Concentrated nitric acid used in laboratory work is 68% nitric add by aqueous solution. What should be the molarity of such a sample of the add lf the density of the solution is 1.504 g mL^(-1) ?

Calculate the molality (m) of 3 M solution of NaCl whose density is 1.25 g mL^(-1) .

Concentrated HNO_(3) is 69% by mass of nitric acid. Calculate the volume of the solution which contains 23 g of HNO_(3) . (Density of concentrated HNO_(3) solution is 1.41 g ml^(-1))

(a) What type of deviation is shown by a mixture of ethanol and acetone 7 Give reason. (b) A solution of glucose (molar mass = 180 g mol^(-1) ) in water is labelled as 10% (by mass). What would be the molallty and molarity of the 90lution ? (Density of solution = 1.2 g mL^(-1) .)

The weight of solute present in 200 ml of 0.1 M H_(2)SO_(4)

Calculate the molarity of a solution containing 5 g of NaOH in 450 mL solution.

What is would be the molality of a solution obtained by mixing equal volumes of 30% by weight H_(2) SO_(4) (d = 1.218 g mL^(-1)) and 70% by weight H_(2) SO_(4) (d = 1.610 g mL^(-1)) ? If the resulting solution has density 1.425 g mL^(-1) , calculate its molality.