pH=pKa+log(0.375/0.125)=5.23
the line from pH touch the curve in the region 3
answer is D
Refer to the titration curve above for 0.500 M acetic acid titrated with hydroxide ions. When...
When a 19.8 mL sample of a 0.460 M aqueous acetic acid solution is titrated with a 0.398 M aqueous sodium hydroxide solution, what is the pH at the midpoint in the titration? pH = A 17.5 mL sample of a 0.430 M aqueous hydrofluoric acid solution is titrated with a 0.381 M aqueous potassium hydroxide solution. What is the pH at the start of the titration, before any potassium hydroxide has been added? pH-
When a 20.6 mL sample of a 0.443 M aqueous acetic acid solution is titrated with a 0.440 M aqueous potassium hydroxide solution, what is the pH at the midpoint in the titration? pH = ?
When a 29,8 mL sample of a 0.322 M aqueous acetic acid solution is titrated with a 0,434 M aqueous sodium hydroxide solution, (1) What is the pH at the midpoint in the titration? (2) What is the pH at the equivalence point of the titration? (3) What is the pH after 33.2 mL of sodium hydroxide have been added?
When a 23.8 mL sample of a 0.491 M aqueous acetic acid solution is titrated with a 0.381 M aqueous potassium hydroxide solution, (1) What is the pH at the midpoint in the titration? (2) What is the pH at the equivalence point of the titration? (3) What is the pH after 46.0 mL of potassium hydroxide have been added
When a 24.9 mL sample of a 0.438 M aqueous acetic acid solution is titrated with a 0.310 M aqueous sodium hydroxide solution, what is the pH at the midpoint in the titration? pH = What is the pH at the equivalence point in the titration of a 17.5 mL sample of a 0.380 M aqueous hydrofluoric acid solution with a 0.379 M aqueous barium hydroxide solution? PH = 3.14
A 32.44 mL sample of 0.202 M acetic acid is titrated with 0.185 M sodium hydroxide. Calculate the pH of the solution for each the following. You will need to look up values for ionization constants. Using your answers for 1-5, sketch the titration curve. Be sure to label axes, midpoint, and equivalence point, and to identify each of the five data points on the curve. before any NaOH is added. at the midpoint after 24.00 mL of NaOH is added. at the equivalence...
Titrations 10. Calculate the pH at the equivalence point for the titration above of Sun acid (K=1.8x105) titrated with 0.2M sodium hydroxide. oint for the titration above of 50mL of 0.2M acetic 11. Sketch the titration curve when 50mL of 0.2M acetic acid (K 1.8x105) titrated with 0.2M sodium hydroxide.
1) A sample of acetic acld is titrated by some sodium hydroxide in a titration experiment. There was 50.0mL of .200M acetic acid titrated by 25.0mL of 300M NaOH. What is the pH of the solution prior to the addition of the base and after the base has been added? The K, of acetic acid is 1.76*10 200M HICT 0.0m 2つmL eo 200 2) what are the concentrations of the ions of La(IO)3 (Ksp=7.4*1014)? PM-1 (a, \
When a 21.4 mL sample of a 0.311 M aqueous hydrocyanic acid solution is titrated with a 0.398 M aqueous potassium hydroxide solution, what is the pH at the midpoint in the titration? pH = A 45.3 mL sample of a 0.370 M aqueous acetic acid solution is titrated with a 0.424 M aqueous potassium hydroxide solution. What is the pH after 23.1 mL of base have been added? pH =
When a 23.2 mL sample of a 0.345 M aqueous acetic acid solution is titrated with a 0.336 M aqueous sodium hydroxide solution, what is the pH after 35.7 mL of sodium hydroxide have been added? pH = What is the pH at the equivalence point in the titration of a 27.6 mL sample of a 0.423 M aqueous hydrocyanic acid solution with a 0.431 M aqueous potassium hydroxide solution? pH=