1.) Indicate the buffer system you have chosen to work with: ___ 2.) What is the pH of buffer solution? computed pKa for the acid? (show computations) 3.) What is the pH of diluted buffer solution? computed pKa: pH of buffer solution + 0.5mL 0.1M NaOH? pH of buffer solution + 0.5mL 0.1M HCl? (show computations)
Chemistry
The following questions serve as 1 question in the task:
1.) Indicate the buffer system you have chosen to work with: ___
2.) What is the pH of buffer solution?
computed pKa for the acid? (show computations)
3.) What is the pH of diluted buffer solution?
computed pKa:
pH of buffer solution + 0.5mL 0.1M NaOH?
pH of buffer solution + 0.5mL 0.1M HCl?
(show computations)
4.) What is the pH of the new buffer (2 mL acid + 20 mL base)?
computed pKa? (show computations):
What is the pH after adding 3 mL of 0.1 M NaOH?
Explain your result :
5.) What is the pH of distilled water?
What is the pH after adding 0.5 mL of 0.1 M HCl?
What is the pH after adding 1.0 mL of 0.1 M NaOH?
6. pH chosen for new buffer:
volume of acid chosen: _______________
volume of base chosen: _______________
pH of resulting buffer: _______________
(show computations)
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