Problem: Which of the following acids and their conjugate base would form a buffer with pH of 3.34?HClO Ka = 2.9 x 10 –8C6H5CO2H Ka = 6.5 x 10 –5HF Ka = 3.5 x 10 –4HIO3 Ka = 1.7 x 10 –1HClO2 Ka = 1.1 x 10 –2

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Which of the following acids and their conjugate base would form a buffer with pH of 3.34?

  1. HClO Ka = 2.9 x 10 –8
  2. C6H5CO2H Ka = 6.5 x 10 –5
  3. HF Ka = 3.5 x 10 –4
  4. HIO3 Ka = 1.7 x 10 –1
  5. HClO2 Ka = 1.1 x 10 –2

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