[VISUAL] The acid-dissociation constants of HC3H5O3(aq) and CH3NH3+(aq) are given in the table above — Acids and Bases Chemistry Question
Question
[VISUAL]
The acid-dissociation constants of HC3H5O3(aq) and CH3NH3+(aq) are given in the table above. Which of the following mixtures is a buffer with a pH of approximately 3?
A.
A mixture of 100. mL of 0.1 M CH3NH3Cl and 50. mL of 0.1 M NaOH
B.✓ Correct
A mixture of 100. mL of 0.1 M HC3H5O3 and 50. mL of 0.1 M NaOH
C.
A mixture of 100. mL of 0.1 M NaC3H5O3 and 100. mL of 0.1 M NaOH
D.
A mixture of 100. mL of 0.1 M CH3NH3Cl and 100. mL of 0.1 M CH3NH2
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