The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute, is 0.0125. The molality of the solution is

Question

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute, is 0.0125. The molality of the solution is

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute, is 0.0125. The molality of the solution is
A. 0.69 m
B. 0.50 m
C. 0.80 m
D. 0.40 m

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

The mass of a non-volatile solute (Molar mass 40) which should be dissolved in `114g` octance to reduce its vapour pressure to `80%` is `2xg`. Find th

2 Answers 7 Views

`V.P.` of solute containing `6gm` of non volatile solute in `180gm` of water is `20 "Torr"//mm` of `Hg`. If `1` mole water is further added in to the

2 Answers 4 Views

(a) `A` solution is prepared by dissolving `10g` of non-volatile solute in `180g` of `H_(2)O`. If the relative lowering of vapour pressure is `0.005`,

2 Answers 5 Views

Two beakers, one contaning `20ml` of a `0.05M` aqueous solution of a non volatile, non electrolyte and the other, the same volume of `0.03M` aqueous s

2 Answers 4 Views

How is relative lowering of vapour pressure defined for a solution consisting of volatile solvent and non-volatile solute ? How is this function relat

2 Answers 5 Views

The vapour pressure of pure benzene, `C_(6)H_(6)` at `50^(@)C` is 268` Torr. How many moles of non-volatile solute per mol of benzene is required to p

2 Answers 4 Views

The vapour pressure of a solution of a non-volatile electrolyte `B` in a solvent `A` is `95%` of the vapour pressure of the solvent at the same temper

2 Answers 4 Views

The vapour pressure of pure benzene is `639.7 mm Hg` and the vapour pressure of solution of a solute in benzene at the temperature is `631.9 mm Hg`. C

2 Answers 4 Views

The vapour pressure of pure benzene is 640 mm of Hg. `2.175 xx 10^(-3)` kg of non-volatile solute is added to 39 gram of benzene, the vapour pressure

2 Answers 4 Views

Relative loweringof vapour pressure of a dilute solution is `0.2`. What is the mole fraction of non-volatile solute ?

2 Answers 5 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - a
`(p_(@) - p_(s))/(p_(@)) = (mxxM)/(1000)`
`0.0125 = (mxx18)` (molecular weight of `H_(2)O = 18`)
`m = (0.0125xx1000)/(18) = 0.69`

4 views Answered 2023-02-05 15:29