11- 2111.27 a.Total Mass Balance:Accumulation=Input– Output dMdtd( V)dttotE=−⇒=−±±..mmioρρρ800400dVdtt===0400.,L/sV L0KCl Balance:Accumulation=Input-Output⇒=−×−dMdtd()dtKCl...,,CVCiKCloKCl100 800 400⇒+=−VdCdtCdVdtC84dCdtCVt=−8800, Cg/L0b.(i)The plot of V vs. t begins at (t=0, V=400). The slope (=dV/dt) is 4 (a positive constant). V increases linearly with increasing t until V reaches 2000. Then the tank begins to overflow and V stays constant at 2000.
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