A) What is the pH at the equivalence point in the titration of a
24.3 mL sample of a 0.333 M
aqueous hydrofluoric acid solution with a
0.425 M aqueous barium hydroxide
solution?
pH =
B) How many grams of solid sodium
hypochlorite should be added to
1.00 L of a 0.206 M
hypochlorous acid solution to prepare a buffer
with a pH of 8.373
grams sodium hypochlorite =
g.
C) How many grams of solid potassium
fluoride should be added to 1.00
L of a 0.146 M hydrofluoric acid
solution to prepare a buffer with a pH of 2.556
?
grams potassium fluoride =
g.
A) What is the pH at the equivalence point in the titration of a 24.3 mL...
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...
How many grams of solid ammonium bromide should be added to 0.500 L of a 0.243 M ammonia solution to prepare a buffer with a pH of 9.820 ? grams ammonium bromide = ——————————————————— How many grams of solid potassium hypochlorite should be added to 1.50 L of a 0.142 M hypochlorous acid solution to prepare a buffer with a pH of 8.433 ? grams potassium hypochlorite =
How many grams of solid potassium fluoride should be added to 1.50 L of a 0.232 M hydrofluoric acid solution to prepare a buffer with a pH of 3.894 ? grams potassium fluoride: How many grams of solid potassium cyanide should be added to 0.500 L of a 0.131 M hydrocyanic acid solution to prepare a buffer with a pH of 8.738 ? grams potassium cyanide:
********PLEASE PLEASE PLEASE ANSWER 1-3****** THANK YOUU!!! 1a.When 22.0 mL of a 8.66×10-4 M cobalt(II) iodide solution is combined with 25.0 mL of a 1.92×10-4 M ammonium sulfidesolution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to______ 1b.When 22.0 mL of a 6.52×10-4M ammonium iodide solution is combined with 12.0 mL of a 1.05×10-4M lead acetatesolution does a precipitate form? (yes or no) For these conditions the Reaction Quotient, Q, is equal to_____. 2a.A...
Design a buffer that has a pH of 5.85 using one of the weak base/conjugate acid systems shown below. Weak Base Kb pka 10.62 CH3NH2 C6H1503N C3H5N 4.2x10-4 5.9x10-7 1.5*10-9 Conjugate Acid CH3NH2+ CGH1503NH+ CsH5NH ка 2.4x10-11 1.7*10-8 6.7x10-6 7.77 5.17 How many grams of the bromide salt of the conjugate acid must be combined with how many grams of the weak base, to produce 1.00 L of a buffer that is 1.00 M in the weak base? grams bromide...
How many grams of solid sodium nitrite should be added to 0.500 L of a 0.114 M nitrous acid solution to prepare a buffer with a pH of 3.971 ? grams sodium nitrite = ------------ How many grams of solid ammonium chloride should be added to 0.500 L of a 0.134 M ammonia solution to prepare a buffer with a pH of 8.470 ? grams ammonium chloride = ------------ How many grams of solid sodium fluoride should be added to...
How many grams of solid potassium hypochlorite should be added to 1.50 L of an 8.99×10-2 M hypochlorous acid solution to prepare a buffer with a pH of 8.453? Grams potassium hypochlorite=
How many grams of solid sodium hypochlorite should be added to 0.500 L of a 0.166 M hypochlorous acid solution to prepare a buffer with a pH of 8.332 ? Cengage grams sodium hypochlorite =
How many grams of solid potassium fluoride should be added to 0.500 L of a 0.103 M hydrofluoric acid solution to prepare a buffer with a pH of 4.005? grams potassium fluoride g.
How many grams of solid potassium fluoride should be added to 2.00 L of a 0.181 M hydrofluoric acid solution to prepare a buffer with a pH of 4.033 ? grams potassium fluoride = Submit Answer Retry Entire Group 8 more group attempts remaining How many grams of solid ammonium chloride should be added to 0.500 L of a 0.157 M ammonia solution to prepare a buffer with a pH of 9.860 ? grams ammonium chloride Submit Answer Retry Entire...