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1. Enter your answer in the provided box. What is the pH of a 0.124 M...
1. Enter your answer in the provided box.
What is the pH of a 0.124 M monoprotic acid whose Ka is 4.994 ×10−3?
pH =___
2. Be sure to answer all parts.

The pH of a 0.054 M weak monoprotic acid is 3.75. Calculate the Ka of the acid.
Ka = ___×10___Enter your answer in scientific notation.
3. Enter your answer in the provided box.
Calculate the pH of a 0.030 M C5H5N (pyridine) solution. The Kb for pyridine is 1.7 ×10−9.
pH =___
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