question about rates of mass in different reactors

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Lisa 2014-3-20

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https://ww2.mathworks.cn/matlabcentral/answers/122499-question-about-rates-of-mass-in-different-reactors

评论： Youssef Khmou 2014-3-21

I have a matrix a=[15,-2,-1;-3,18,-6;-4,-1,12] and b=[3800;1200;2350] this question is about reactors. So I'm asked to determine how much the rate of mass input to reactor 3 must ben increased to induce a 10 rise in concentration of reactor 1. Please help.

Also how much will the concentration in reactor 3 be reduced if the rate of mass input to reactor 1 and 2 is reduced by 500 and 250?

Thanks a lot!