A reactor supplied with CO2 and H2O, the product contains 10% H2CO3 and 90% H2O, what is the feed rate of CO2, if the rate of product is 50 mole?(a) 5 mole(b) 10 mole(c) 25 mole(d) 50 moleThe question was asked at a job interview.I want to ask this question from Element Material Balances topic in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

A reactor supplied with CO2 and H2O, the product contains 10% H2CO3 an

1.	A reactor supplied with CO2 and H2O, the product contains 10% H2CO3 and 90% H2O, what is the feed rate of CO2, if the rate of product is 50 mole?(a) 5 mole(b) 10 mole(c) 25 mole(d) 50 moleThe question was asked at a job interview.I want to ask this question from Element Material Balances topic in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering
Answer» Correct option is (a) 5 mole For explanation I would SAY: The reaction is CO2 + H2O -> H2CO3. Let the RATES of CO2 and H2O be F and W RESPECTIVELY. Element BALANCES, C: F(1) = 0.1P(1), => 10F = P, => F = 5 mole.

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