***A 50 mL solution of 0.10 M HC2H302 (aq) (K2 = 1.8 x 10-S) is titrated...
JUILLS alcalUWCU. FUUWI LLUCOCUIDLUI d luck! Question 21 ***A 50 mL solution of 0.10 MHC2H302 (aq) (K = 1.8 x 10-5) is titrated with 0.20 MNaOH (aq). ** What is the pH when 30 mL of NaOH(aq) is added? O 11.23 O 1.90 O 8.98 12.10 O 12.90 Prevus Quiz saved at 1:55pm
***A 50 mL solution of 0.10 M HC2H2O2 (aq) (K4 = 1.8 x 10-5) is titrated with 0.20 M NaOH (aq)*** What is the pH after the addition of 5.0 mL of NaOH(aq)? O 8.98 2.87 O 3.58 0 4.74 4.14
Question 25 ***A 50 mL solution of 0.10 M HC2H2O2(aq) (Kg = 1.8 x 10-5) is titrated with 0.20 M NaOH (aq)** What is the pH after the addition of 5.0 mL of NaOH (aq)? 4.14 o 4.74 2.87 8.98 O 3.58 Previous
***A 50 mL solution of 0.10 M HC2H2O2 (aq) (K = 1.8 x 10-5) is titrated with 0.20 M NaOH (aq). " At the equivalence point is the solution acidic, basic, or neutral and why? o Basic because of excess OH O Basic because of hydrolysis of C2H302 o Neutral salt of strong acid and strong base O Basic because of hydrolysis of HC2H2O2 Acidic because of hydrolysis of Nat
pls show all work. 11,13,14 all all part of the same titration problem! I attempted it several times and am getting very confused WA *** A 50 mL solution of 0.10 M benzoic acid (HC7H502 (aq)) (Ka = 6.5 * 10-5) is titrated with 0.20 M NaOH (aq). With this information, answer the questions (11-14) below.*** SB 11. What is the pH after the addition of 5.0 mL of NaOH (aq)? A) 5.49 B 3.58 C) 4.19 D) 2.59 E)...
25. 50.00 mL of 0.10 M CH3COOH (Ka = 1.8 x 10") is titrated with a 0.10 M KOH solution. After 75.00 mL of the KOH solution is added, the pH in the titration flask will be A) 9.31 B) 9.18 C) 9.52 D) 11.63 E) 12.30
25 mL of 0.10 M acetic acid is titrated with 0.10 M NaOH. What is the pH after 30 ml of NaOH have been added? Ka for acetic acid = 1.8 x 10^-5.
24. 50.00 mL of 0.10 M CH3COOH (Ka = 1.8 x 10-5) is titrated with a 0.10 M KOH solution. After 50.00 mL of the KOH solution is added, the pH in the titration flask will be A) 4.28 B) 8.72 C) 9.41 D) 11.24 E) 12.08 [Kb = 5.6 x 10-10 for acetate ion] 0.0025 - 0.25 .
7. A sample of 0.10 M C6H5COOH(aq) (benzoic acid) solution is titrated with 0.10 M NaOH(aq) solution. What is the pH of the solution at the equivalence point? Ka(C6H5COOH) = 6.46 x 10-5 8. A sample of 0.10 M C6H5CH2NH2(aq) (benzylamine) solution is titrated with 0.10 M HBr(aq) solution. What is the pH of the solution at the equivalence point? Kb(C6H5CH2NH2) = 2.24 x 10-5
4. Please calculate the resulting pH when 25 mL of 0.10 M acetic acid is titrated with 10 mL of 0.10 M NaOH (K. acetic acid = 1.8 x 10-5): CH,COOH (aq) + NaOH(aq) → CH3COONa (aq) + H20 (1)