K2HPO4-KH2PO4 buffer solution with water, vinegar, 0.85 M Na2CO3 sodium carbonate K2HPO4-K3PO4 buffer solution with water, vinegar, 0.85 M Na2CO3 sodium carbonate For each buffered solution from above: A.) Describe how the pH changed for added vinegar relative to cabbage indicator. B.) Describe how the pH changed for added sodium carbonate relative to cabbage indicator.
K2HPO4-KH2PO4 buffer solution with water, vinegar, 0.85 M Na2CO3 sodium carbonate K2HPO4-K3PO4 buffer solution with water, vinegar, 0.85 M Na2CO3 sodium carbonate For each buffered solution from above: A.) Describe how the pH changed for added vinegar relative to cabbage indicator. B.) Describe how the pH changed for added sodium carbonate relative to cabbage indicator.
Chapter7: Neutralization Titrations And Graphical Representations
Section: Chapter Questions
Problem 1P
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- K2HPO4-KH2PO4 buffer solution with water, vinegar, 0.85 M Na2CO3 sodium carbonate
- K2HPO4-K3PO4 buffer solution with water, vinegar, 0.85 M Na2CO3 sodium carbonate
- For each buffered solution from above: A.) Describe how the pH changed for added vinegar relative to cabbage indicator. B.) Describe how the pH changed for added sodium carbonate relative to cabbage indicator. C.) Describe the pH of the three solutions (using numbers from tabs and color chart). D.) Calculate the pKa of each buffered solution. E.) Compare the pKa calculated to the pH found using the tabs (close, very different?)
I am having trouble understanding this problem if someone can help me walk it through. thank you very much
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