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In a steady-state reactive system, 5 molar KNO3 and 5 molar H2SO4 are supplied to the system, then what is the amount of K2SO4 produced?

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In a steady-state reactive system, 5 molar KNO3 and 5 molar H2SO4 are supplied to the system, then what is the amount of K2SO4 produced?

(a) 2.5 molar

(b) 5 molar

(c) 7.5 molar

(d) 10 molar

The question was asked at a job interview.

I would like to ask this question from Accounting for Chemical Reactions in Material Balances topic in portion Introduction to Material Balances of Basic Chemical Engineering

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Right option is (a) 2.5 molar

Explanation: The balanced chemical reaction of the system is 2KNO3 + H2SO4 -> K2SO4 + 2HNO3, => amount of K2SO4 = 2.5 molar.

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