Elementary Principles 492 - 11.27 a. Total Mass Balance:...

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11- 21 11.27 a. Total Mass Balance: Accumulation=Input– Output dM dt d( V) dt tot E =−⇒ = ±± .. mm io ρ ρρ 800 400 dV dt t = == 04 0 0 . , L/s V L 0 KCl Balance: Accumulation=Input-Output ⇒= × dM dt d( ) dt KCl ... ,, CV C iKC l oKC l 100 800 400 ⇒+= V dC dt C dV dt C 84 dC dt C V t = 88 00 , C g/L 0 b. (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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