What is the pH of a solution prepared by mixing 25.0 mL of 0.100 M benzoic acid and 50.0 mL of 0.050 M KOH ?
(Ka benzoic acid = 6.4 x 10-5)
8.36
5.19
8.81
D. 9.04
5.64
What is the pH of a solution prepared by mixing 25.0 mL of 0.100 M benzoic...
A solution is prepared by mixing 20.0 mL of 0.050 M acetic acid and 10.0 mL of 0.100 M HCl. What is the pH of the solution? ( Ka acetic acid = 1.8 x 10-5) A. 2.36 B. 0.22 C. 1.48 D. 1.00 E. 0.48
3. Determine the pH of a solution prepared by mixing 25.0 ml of a 0.10 mona solution with 50.0 ml of sodium hydroxide. (25 points) O.OSO M N prepared by mixing 25.0 ml of a 0.10 molar acetic acid OH NaOH = Na + OH Acetic And Kas18x10's
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3COOH with 25.00 mL of 0.050 M CH3COONa? Assume that the volume of the solutions are additive and that Ka = 1.8 x 10-5 for CH3COOH.
What is the pH of the solution obtained by mixing 30.00 mL of 0.250 M HCl and 30.00 mL of 0.125 M NaOH? We assume additive volumes. What is the pH of a solution that is 0.75 M in sodium acetate and 0.50 M in acetic acid? (ka for acetic acid is 1.3x10-5.) Calculate the pH of a solution prepared by mixing 15.00 ml of 0.10 M NaOH and 30.00 mL of 0.10 M benzoic acid solution. (Benzoic acid is monoprotic; its...
Consider a solution formed by mixing 41.0 mL of 0.100 M H2SO4, 76.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 26.0 mL of 0.100 M Ba(OH)2, and 12.0 mL of 0.150 M KOH. Calculate the pH of this solution. (Refer to this table of Ka values of common monoprotic acids.) (with the correct sig figs)
23) What is the pH of a solution prepared by mixing: 0.20 moles of acetic acid 0.40 moles of sodium acetate 0.10 moles of sodium hydroxide in 1.0 L of solution a) 4.74 b) 4.14 5.34 d) 13.00 e) None of the above 24) Barbituric acid (Ka = 9.8 X 10-5) is titrated with 0.200 M NaOH. What is the initial pH of 20.0 mL of 0.100 barbituric acida) 2.50 b) 4.01 c) 8.35 d) 7.00 e) None of the above 25) What is the pH in...
Calculate the pH of a solution formed by mixing 100.0 mL of 0.100 M NaF and 100.0 mL of 0.040 M HCI. Ka of HF = 7.24 x 10-4. A 3.32 B.3.54 C.3.14 D.2.74 E 2.96
What is the concentration (M) of KCl in a solution made by mixing 25.0 mL of 0.100 M KCI with 50.0 mL of 0.100 M KCI? A) 0.100 B) 0.0500 C) 0.0333 D) 0.0250 E) 125
A. What is the pH of a solution of 40.0 mL of 0.100 M acetic acid (Ka = 1.8 x 10–5) after 50.0 mL of 0.100 M NaOH has been added? B. A particular saturated solution of silver chromate (Ag2CrO4), has [Ag+] = 5.0 x 10–5 M and [CrO42–] = 4.4 x 10–5 M. What is value Ksp for silver chromate?
1. You are titrating a 100.0 mL solution of 0.050 M HBrwith a 0.150 M solution of KOH. What will be the pH after the addition of 25.0 mL KOH? 2. You titrate 250 mL of 0.250 M acetic acid (Ka= 1.8 x 10-5) with 50.0 mL of 0.350 M NaOH. What is the pH of this solution? 3. For the titration in question 2, what would be the Kaof an ideal indicator.