Consider the titration of 40.0 mL of 0.70 M HCN with 0.50 M KOH. Calculate the pH after 40.0 mL...
Question:
Consider the titration of 40.0 mL of 0.70 M HCN with 0.50 M KOH. Calculate the pH after 40.0 mL of KOH has been added.
pH of Solution:
The pH of a buffer solution can be determined by calculating the concentration of the species (salt and acid or base) in the solution and use the Henderson-Hasselbalch equation.
{eq}\rm pH = pK_a + \log \left ( \dfrac{[salt]}{[acid]} \right ) {/eq}
Answer and Explanation: 1
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View this answerWe are given:
- Molarity of {eq}\rm HCN = 0.70\ M {/eq}
- Volume of {eq}\rm HCN = 40.0\ mL {/eq}
- Molarity of {eq}\rm KOH = 0.50\ M {/eq}
- Volume of...
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Acid-Base Buffers: Calculating the pH of a Buffered Solution
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Chapter 11 / Lesson 8
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Learn how to calculate the pH of a buffer solution. Discover the purpose of a buffer solution, and work through examples using the buffer solution equation.
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