Material Balances on Chemical Engineering related Questions and Answers

Question :   In a batch process, 70 Kg of H2O and 10 Kg of NaOH and some other reactants enters the vessel, if 100 Kg of the product leaves the vessel, what is the percentage of H2O in the product? 1. 10% 2. 30% 3. 70% 4. 100% Answer :   3 - 70%