... (M) C C CH 3 COONa CH 3 COO - + Na + (M) C C CH 3 COOH CH 3 COO - + H + K a = 10 -4 ,76 C 0 (M) 0, 1- C C [ ] (M) 0, 1- C – 10 -3 C + 10 -3 10 -3 pH = 3 => [H + ] = 10 -3 (M) 76,4 3 33 10 101,0 ... 10 9,35 AgCN + H + Ag + + HCN K = TK 2 -1 = 10 -6 ,31 C (M) 10 -3 [ ] (M) 10 -3 + S S S = 10 -6 ,31 ⇒ S 2 - 10 -6 ,31 S - 10 -9 ,31 = 0 ⇒ S = 2,2.10 -5 1 điểm II.4. Ag + + NH 3 Ag(NH 3 ) + β 1 = 10 ... -4 (M) => n NaOH = 7,08. 10 -4 (mol) => m NaOH = 40x 7,08. 10 -4 = 0,028 (g) 1 điểm II.3. AgCN Ag + + CN - T = 10 -1 5,66 H + + CN - HCN K 2 -1 = 10 9,35 AgCN + H + Ag + + HCN K = TK 2 -1 ...