5. a) Calculate the pH of the buffer solution made by mixing 200.0 mL of 0.100 mol/L acetic acid, CH₂COOH, and 400.0 mL of 0.100 mol/L sodium acetate, CH,COONa. K, 1.8 x 10. What will the pH change to if 1.00 mL of 12.0 M HCl is added? - b)

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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.141QP: Ka for formic acid is 1.7 104 at 25C. A buffer is made by mixing 529 mL of 0.465 M formic acid,...
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buffer with pH=4.5? K,
5. a)
Calculate the pH of the buffer solution made by mixing 200.0 mL of 0.100 mol/L acetic acid,
CH₂COOH, and 400.0 mL of 0.100 mol/L sodium acetate, CH,COONa. K₁=1.8 x 10.
What will the pH change to if 1.00 mL of 12.0 M HCl is added?
b)
B
1.
8.83
D. 2. a) 4.12
b) none
Transcribed Image Text:buffer with pH=4.5? K, 5. a) Calculate the pH of the buffer solution made by mixing 200.0 mL of 0.100 mol/L acetic acid, CH₂COOH, and 400.0 mL of 0.100 mol/L sodium acetate, CH,COONa. K₁=1.8 x 10. What will the pH change to if 1.00 mL of 12.0 M HCl is added? b) B 1. 8.83 D. 2. a) 4.12 b) none
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