What amount of 57 octane should be mixed with 3 liters of 63 octane to obtain 4 liters of 59 octane?(a) 1 liter(b) 2 liters(c) 2.5 liters(d) 4.5 litersThis question was posed to me in my homework.This intriguing question originated from Steady-State and Unsteady-State Systems topic in portion Introduction to Material Balances of Basic Chemical Engineering

What amount of 57 octane should be mixed with 3 liters of 63 octane to

1.	What amount of 57 octane should be mixed with 3 liters of 63 octane to obtain 4 liters of 59 octane?(a) 1 liter(b) 2 liters(c) 2.5 liters(d) 4.5 litersThis question was posed to me in my homework.This intriguing question originated from Steady-State and Unsteady-State Systems topic in portion Introduction to Material Balances of Basic Chemical Engineering
Answer» CORRECT option is (d) 4.5 liters The explanation: 591 = 63X + 57(1 – x), => x = 1/3, now 4 = (1/3)3 + (2/3)*w, => w = 4.5 liters.

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