A buffer solution contains 0.482 M hydrofluoric acid and 0.389 M sodium fluoride. If 0.0326 moles of sodium hydroxide are added to 150 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume does not change upon adding sodium hydroxide.) pH =

Chemistry: Principles and Reactions
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Author:William L. Masterton, Cecile N. Hurley
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Chapter14: Equilibria In Acid-base Solutions
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Problem 14QAP: A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to...
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A buffer solution contains 0.482 M hydrofluoric acid and 0.389 M sodium fluoride.
If 0.0326 moles of sodium hydroxide are added to 150 mL of this buffer, what is the pH of the resulting solution ?
(Assume that the volume does not change upon adding sodium hydroxide.)
pH = ||
Transcribed Image Text:A buffer solution contains 0.482 M hydrofluoric acid and 0.389 M sodium fluoride. If 0.0326 moles of sodium hydroxide are added to 150 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 0.340 M ammonium bromide and 0.319 M ammonia.
If 0.0505 moles of sodium hydroxide are added to 250 mL of this buffer, what is the pH of the resulting solution ?
(Assume that the volume change does not change upon adding sodium hydroxide)
pH = ||
Transcribed Image Text:A buffer solution contains 0.340 M ammonium bromide and 0.319 M ammonia. If 0.0505 moles of sodium hydroxide are added to 250 mL of this buffer, what is the pH of the resulting solution ? (Assume that the volume change does not change upon adding sodium hydroxide) pH = ||
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