Question

In a batch process, 50 Kg of H2O and 40 Kg of CO2 entered a vessel with some H2O, if 100 Kg of product leaves the vessel, what is the percentage of H2O in the product?

(a) 10%

(b) 30%

(c) 60%

(d) 80%

I had been asked this question by my college director while I was bunking the class.

My question is based upon Material Balances for Batch and Semi-Batch Processes topic in portion Introduction to Material Balances of Basic Chemical Engineering

Answer 1

The correct option is (c) 60%

Explanation: Percentage of H2O in the product = (100 – 40)/100*100 = 60%.