#Example 1-3 a: How Large is the Reactor Volume? d(Ca)/d(V) = ra / v0 Ca(0) = 10 d(Cb)/d(V) = rb / v0 Cb(0) = 0 ra = -k * Ca rb = -ra k = 0.23 V(0) = 0 V(f) = 100 v0 = 10