A buffer solution contains 0.210 M ammonium chloride and 0.399 M ammonia. If 0.0342 moles of perchloric acid are added to 150 mL of this buffer what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding perchloric acid) pH: = A buffer solution contains 0.369 M KHCO3 and 0.260 M K₂CO3. If 0.0145 moles of sodium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding sodium hydroxide) pH = A buffer solution contains 0.326 M ammonium chloride and 0.283 M ammonia. If 0.0139 moles of potassium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding potassium hydroxide)

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
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Problem 16.78QE
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A buffer solution contains 0.210 M ammonium chloride and 0.399
M ammonia.
If 0.0342 moles of perchloric acid are added to 150 mL of this
buffer, what is the pH of the resulting solution ?
(Assume that the volume change does not change upon adding
perchloric acid)
pH
=
A buffer solution contains 0.369 M KHCO3 and 0.260 M K₂CO3.
If 0.0145 moles of sodium hydroxide are added to 125 mL of this
buffer, what is the pH of the resulting solution ?
(Assume that the volume does not change upon adding sodium
hydroxide)
pH
=
A buffer solution contains 0.326 M ammonium chloride and 0.283
M ammonia.
If 0.0139 moles of potassium hydroxide are added to 125 mL of
this buffer, what is the pH of the resulting solution ?
(Assume that the volume change does not change upon adding
potassium hydroxide)
pH =
Transcribed Image Text:d A buffer solution contains 0.210 M ammonium chloride and 0.399 M ammonia. If 0.0342 moles of perchloric acid are added to 150 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding perchloric acid) pH = A buffer solution contains 0.369 M KHCO3 and 0.260 M K₂CO3. If 0.0145 moles of sodium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding sodium hydroxide) pH = A buffer solution contains 0.326 M ammonium chloride and 0.283 M ammonia. If 0.0139 moles of potassium hydroxide are added to 125 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding potassium hydroxide) pH =
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