QUIZ 2

0 ; =i HX U\,fl: o 1 — 147 XL Department of Civil Enngineering CE 47400 - Environmental Engineering | The Grove School of Engineering Instructor: Vasil Diyamandoglu - Civil Engrg City College of New York (S)emefife; F‘?\I’Ie 1(;023d i, 5058 uiz No.2 - Inesday, Sep 20, Student Name: 5 oL U T LO N y Quiz Grade: @ pH A’P o= g: g 0 1 2 3 4 5 |6 7 8 9110 1 12 13 14 T 5 (B N ! =105 = ——— = | ] { 6 ’ . 7t % AL~ F_'}L.‘..A.,_\. O | LA SRR Lk il e 1B Q-% { l ! ! 1 ? ¥ q_ =83 o B | 4N A0 B ] RECKE SN (P, I (N =10 s T i 7 ], vl e il T 0 1 2 3 4 516 7 8 9 10 11 12 -13 14 log(0.05) = 1.30 pH Use the pC-pH diagram above to determine the equilibrium pH and concentration of all species in a solution of HX = 0.05 M (pKa of HX = 9.5), List all species in solution, and present clearly the Proton Condition. On the dia%‘ram show where the chemical equilibrium occurs, and how you graphically determine the concentration of each species. -f— Proton Condition: — px — H'io T [Hfl:D‘fl*’Eflfl - — Equiliby B e : A s - Equilibrivw Analysis