Consider the titration of 40.0 mL of 0.70 M HCN with 0.50 M KOH. Calculate the pH after 10.0 mL...
Question:
Consider the titration of 40.0 mL of 0.70 M HCN with 0.50 M KOH. Calculate the pH after 10.0 mL of KOH has been added.
Weak Acid Titrations
After the addition of a strong base titrant on a weak acid analyte but before the equivalence point, the Henderson-Hasselbalch equation can be used in calculating the pH of the system. The Henderson-Hasselbalch equation is valid because the system is a buffer solution by consequence.
Answer and Explanation: 1
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View this answerWe were given the following:
- 40.0 mL of 0.70 M HCN
- 10.0 mL of 0.50 M KOH
It is known:
{eq}(K_a = 6.17 \times 10^{-10}) {/eq} for hydrocyanic...
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Titrations with Weak Acids or Weak Bases
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Chapter 11 / Lesson 10
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Learn about titrations of weak acids and strong bases, strong acids and weak bases, and weak acids and weak bases. Explore types of titration curves and the pH.
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