Q.

Which of the following expressions represents the number average molar mass?

Easy

Unlock the Full Solution and Master the Concept

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept

By Expert Faculty of Sri Chaitanya

$M = \frac{\sum N_{i} M_{i}^{2}}{\sum N_{i}}$

$M = \frac{Σ N_{i} M_{i}^{2}}{Σ N_{i} M_{i}}$

$M = \frac{\sum N_{i} M_{i}}{\sum N_{i}}$

$M = \frac{\sum N_{i} M_{i}}{\sum M_{i}}$

answer is C.

(Detailed Solution Below)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Number average molar mass is defined as $M = Σ_{i} N_{i} M_{i} / Σ_{i} N_{i}$

Choose your Grade and Exam

Connect with our

Expert Counsellors

access to India's best teachers with a record of producing top rankers year on year.

+91

We will send a verification code via OTP.