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What is the pH of 250.0mL solution that is 0.0955 M HCH3CO2 (Ka=1.8x10-5) and 0.125 M...

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Chemistry

What is the pH of 250.0mL solution that is 0.0955 M HCH3CO2(Ka=1.8x10-5) and 0.125 M NaCH3CO2?

a. Now, 20.0 mL of 0.455 M HCl (aq) is added to the originalbuffer.

i. Write the neutralization reaction (use the actual species inthe reaction).

ii. Find the moles of all species. iii. Build a stoichiometrytable with the reaction and the data (or anything that shows whathappens in the reaction).

iv. What is the pH of the solution? Was your predictioncorrect?

v. Do you still have a buffer? Why?

Answer & Explanation Solved by verified expert
4.3 Ratings (714 Votes)
pH pKa logCH3CO2HCH3CO2 pKa logKa 474 pH 474 log 012500955 486 a i HCl NaCH3CO2 HCH3CO2 NaCl ii I dont undertand if the question ask for moles before or after the addition of    See Answer
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