Question

The flow in rate of A is 5 mole/s, it undergoes a reaction A -> 2B, what are the moles of B that comes out after 5 seconds?

(a) 5

(b) 10

(c) 25

(d) 50

I have been asked this question by my college professor while I was bunking the class.

This interesting question is from Open and Closed Systems topic in division Introduction to Material Balances of Basic Chemical Engineering

Answer 1

Right answer is (d) 50

For explanation I would say: Moles of B = 5*5*2 = 50.