0

Guest

Courses New

An aqueous solution of NaOH having density 1.1kg/dm^3 contains 0.02 mole fraction of NaOH .What is the molality and molarity of NaOH solution?

An aqueous solution of NaOH having density 1.1kg/dm^3 contains 0.02 mole fraction of NaOH .What is the molality and molarity of NaOH solution?

Grade:11

1 Answers

Romani Ghosh
16 Points
5 years ago
Molality of NaOH solution is no. of moles of NaOH dissolved in 1000g of water. 
No of moles of H2O = 1000/18 =55.55 mol 
Mole fraction of NaOH =0.02.
No of moles of NaOH = n2 /n2+n1 = n2/55.55 + n2 =0.02       so n2 = 1.134 mol
Molality of NaOH solution = 1.134 molal 

Think You Can Provide A Better Answer ?

Other Related Questions on Physical Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More