15.1
A 39.8 mL sample of a 0.448 M
aqueous hypochlorous acid solution is titrated
with a 0.234 M aqueous potassium
hydroxide solution. What is the pH after
50.5 mL of base have been added?
15.2
What is the pH at the equivalence point in the titration of a 24.9 mL sample of a 0.313 M aqueous hypochlorous acid solution with a 0.479 M aqueous barium hydroxide solution?
12.1
How many grams of solid ammonium bromide should be added to 1.00 L of a 0.101 M ammonia solution to prepare a buffer with a pH of 9.990 ?
12.2
How many grams of solid sodium cyanide should be added to 1.00 L of a 0.132 M hydrocyanic acid solution to prepare a buffer with a pH of 8.401 ?
15.1 A 39.8 mL sample of a 0.448 M aqueous hypochlorous acid solution is titrated with...
1. When a 21.5 mL sample of a 0.329 M aqueous hypochlorous acid solution is titrated with a 0.456 M aqueous potassium hydroxide solution, what is the pH after 23.3 mL of potassium hydroxide have been added? pH = 2. When a 16.0 mL sample of a 0.404 M aqueous hydrocyanic acid solution is titrated with a 0.418 M aqueous barium hydroxide solution, what is the pH at the midpoint in the titration? pH =
1) When a 18.9 mL sample of a 0.401 M aqueous hypochlorous acid solution is titrated with a 0.426 M aqueous sodium hydroxide solution, what is the pH after 26.7 mL of sodium hydroxide have been added? 2) A buffer solution contains 0.381 M NaHSO3 and 0.281 M K2SO3. Determine the pH change when 0.083 mol HCl is added to 1.00 L of the buffer. pH change =
A 50.0 mL sample of a 0.517 M aqueous hypochlorous acid solution is titrated with a 0.206 M aqueous barium hydroxide solution. What is the pH after 40.7 mL of base have been added? pH =
When a 17.5 mL sample of a 0.359 M aqueous hypochlorous acid solution is titrated with a 0.460 M aqueous sodium hydroxide solution, what is the pH after 20.5 mL of sodium hydroxide have been added? pH =
When a 27.4 mL sample of a 0.329 M aqueous hypochlorous acid solution is titrated with a 0.356 M aqueous barium hydroxide solution, what is the pH after 19.0 mL of barium hydroxide have been added? pH = ?
1.When a 15.1 mL sample of a 0.479 M aqueous nitrous acid solution is titrated with a 0.483 M aqueous sodium hydroxide solution, what is the pH after 22.5 mL of sodium hydroxide have been added? 2.A 21.6 mL sample of 0.214 M diethylamine, (C2H5)2NH, is titrated with 0.256 M perchloric acid. The pH before the addition of any perchloric acid is
A 35.7 mL sample of a 0.480 M aqueous hypochlorous acid solution is titrated with a 0.396 M aqueous barium hydroxide solution. What is the pH after 9.09 mL of base have been added? pH = Submit Answer Retry Entire Group 8 more group attempts remaining
When a 17.2 mL sample of a 0.324 M aqueous hypochlorous acid solution is titrated with a 0.319 M aqueous barium 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 13.1 mL of barium hydroxide have been added?
A 40.6 ml sample of a 0.533 M aqueous hypochlorous acid solution is titrated with a 0.349 Maqueous potassium hydroxide solution. What is the pll after 22.9 ml. of base have been added? pH =
1.) A 26.7 mL sample of a 0.495 M aqeuous hydrofluoric acid solution is titrated with a 0.334 M aqeuous sodium hydroxide solution. what is the pH at the start of the titration, before any sodium hydroxide has been added? pH = ???? 2.) what is the pH at the equivalence point in the titration of a 18.3 mL sample of a 0.429 M aqueous hypochlorous acid solution with a 0.479 M aqueous barium hydroxide solution? pH = ???