Question

10 moles of A were present in a system initially, and 8 moles of C are added to it, it undergoes the reaction 5A + 3C -> 4B, what are number of moles of B produced?

(a) 4

(b) 6

(c) 8

(d) 10

I had been asked this question during an online interview.

This key question is from Material Balance Concept in division Introduction to Material Balances of Basic Chemical Engineering

Answer 1

The correct choice is (c) 8

For explanation I would say: Moles of B = 4*2 = 8.