Home
Class 12
CHEMISTRY
If 5.85 g of NaCl is dissolved in 90...

If 5.85 g of NaCl is dissolved in 90 g of `H_(2) O`. The mole fraction of NaCl is ______. (molecular weight of `NaCl = 58.5`)

A

`0.1`

B

`0.01`

C

`0.2`

D

`0.02`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Find the K_(f) if 6 g of urea is dissolved in 0.1 dm^(3) of water and it corresponds to 0.15 ""^(@) C in Delta T_f ( Molecular weight of urea = 60 g mol ^(-1) )

1 dm^3 of water contains 90 g. of glucose. The mole fraction of glucose in the solution is

The mole fraction of solute in 20% (by wt.) aqueous H2O2 solution is

200 mL of a solution contains 5.85 g dissolved sodium chloride . The concentration of the solution wil be _______. (Na = 23 , Cl= 35.5)

The mole fraction of nitrogen , in a mixture of 7g of N and 16g of O is ______.

The number of unit cells in 58.5 g of NaCl is nearly

IF 10 g of solute was dissolved in 250 mL. of water and osmotic pressure of the solution was found to be 600 mm of Hg at 300 K, then molecular weight of the solute is _______. g mol ^(-1)

0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by 0.567 ^(@)C . The molecular mass of the substance is _____ (K_(f) = 5.12 ^(@)C kg mol ^(-1))

The mole fraction of C_2H_5OH (Molar mass = 46) in 5 molal aqueous ethyl alcohol solution is

A solution of glucose containing 9.2 g/ litre (molecular weight: 180 g /mol) is isotonic with 3% solution of a non-volatile solute. The molecular weight of the solute will be_____.