An unsteady state system, the flow in the rate of A is 6 mole/s, what is the flow out rate of B if the accumulation was 18 mole in 9 seconds?
(a) 1 mole/s
(b) 2 mole/s
(c) 3 mole/s
(d) 4 mole/s
This question was posed to me in homework.
Enquiry is from Steady-State and Unsteady-State Systems topic in division Introduction to Material Balances of Basic Chemical Engineering