10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s?(a) 180(b) 450(c) 60(d) 90The question was posed to me by my school teacher while I was bunking the class.I need to ask this question from Flow Rate in division Moles, Density & Concentration of Basic Chemical Engineering

10 moles of oxygen divides and enters two reactors flow rate 45 kg/s a

1.	10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s?(a) 180(b) 450(c) 60(d) 90The question was posed to me by my school teacher while I was bunking the class.I need to ask this question from Flow Rate in division Moles, Density & Concentration of Basic Chemical Engineering
Answer» The correct ANSWER is (d) 90 The best explanation: Let number of moles entering and leaving the second reactor be n1 and n2 RESPECTIVELY, applying reaction equilibrium equation to WHOLE system, => 1045 = N(6 + 9), => n = 30, => Applying reaction equilibrium equation to both the reactors separately, => n145 = n29 => n2 = 5n1, and (10 – n1)45 = (30 – n2)6, Solving both equations we get n2 = 90.

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