Home
Class 12
CHEMISTRY
The molality of solution when 2.82 g of ...

The molality of solution when 2.82 g of glucose (molar mass = 180 g) is dissolved in 30g of water is :

A

5.22 m

B

2.82m

C

0.522m

D

28.2m

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the molality of a solution containing 3g glucose dissolved in 30g of water. (molar mass of glucose = 180 )

What elevation in boiling point of alcohol is to be excepted when 5 g of urea (molar mass=60) are dissolved in 75 g of it? The molar elevation constant for alcohol is 1.15^@C .

2.82g of glucose (Molar mass: 180g mol^-1 ) are dissolved in 30g of water . Calculate mole fraction of glucose and water.

The number of moles in 180 g of water is

A solution of sucrose (molar mass= 342gmol^-1 ) is prepared by dissolving 68.4 g of it per litre of solution. What is the osmotic pressure at 300K?

Calculate the molality of a solution containing 20.7g potassium carbonate dissolved in 500ml of solution (assume of density of solution = 1g/ml)

Vapour pressure of water at 293 K is 17.535 mm Hg. Calculate the vapour pressure of water at 293 K when 25 g of glucose is dissolved in 450 g of water.

Calculate the molarity of a solution containing 0.5 g of NaOH dissolved in 500 "cm"^(3) of the solution?

The relationship between osmotic pressure ( pi_(1),pi_(2) "and" pi_(3) ) at a definite temperature when 1 g glucose, 1 g urea and 1 g sucrose are dissolved in 1 litre of water is (assume I = 1 for all):