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A) Calculate the pH of a buffer that is 0.225M HC2H3O2 and 0.162M KC2H3O. The Ka for HC2H3O2...

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Chemistry

A) Calculate the pH of a buffer that is 0.225MHC2H3O2 and 0.162MKC2H3O. The Ka forHC2H3O2 is 1.8x10-5

B) A 1.00L buffer solution is 0.250M in HF and0.250M in NaF. Calculate the pH of the solution after the additionof 0.100 moles of solid NaOh. Assume no volume chane uon theaddition of base. Ka for HF= 3.5x10-4

C) A 100.0ml sample of 0.20M HF istitrated with 0.10M KOH. Determine the pH of the solution after theaddition of 100.0mL of KOH. The Ka of HF is 3.5x10-4

Answer & Explanation Solved by verified expert
4.3 Ratings (660 Votes)
A Ka 18105 pKa log Ka log18105 4745 use pH pKa log conjugate baseacid 4745 log 01620225 4602 Answer 460 B mol of NaOH added 01 mol HF will react with OH to form F Before Reaction mol of F 025 M 10 L mol of F 025    See Answer
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