A buffer solution is prepared by adding 12.27 g of sodium acetate (NaC₂H302) and 16.19 g of acetic acid to enough water to make 500 mL (three significant figures) of solution. Calculate the pH of this buffer. Ka (HC₂H302) = 1.8 x 10-5 Molar mass HC₂H302 = 60.05 g/mol Molar mass NaC₂H302 = 82.03 g/mol pH = Submit TUTOR STEP Show Approach Hide Tutor Steps

Chemistry: Principles and Reactions
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Chapter14: Equilibria In Acid-base Solutions
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A buffer solution is prepared by adding 12.27 g of sodium acetate (NaC2H302) and 16.19 g of acetic acid to
enough water to make 500 mL (three significant figures) of solution. Calculate the pH of this buffer.
Ka (HC₂H302) = 1.8 x 10-5
Molar mass HC₂H302 = 60.05 g/mol
Molar mass NaC₂H302 = 82.03 g/mol
pH =
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What is the initial concentration of C₂H302 in the solution?
HC₂H302 (aq) → H3O+ (aq) + C₂H₂O₂
Z
[C₂H30₂ ] =
Ka =
[H3O+][C₂H3O2¯]
[HC₂H30₂]
X M
Transcribed Image Text:A buffer solution is prepared by adding 12.27 g of sodium acetate (NaC2H302) and 16.19 g of acetic acid to enough water to make 500 mL (three significant figures) of solution. Calculate the pH of this buffer. Ka (HC₂H302) = 1.8 x 10-5 Molar mass HC₂H302 = 60.05 g/mol Molar mass NaC₂H302 = 82.03 g/mol pH = Submit TUTOR STEP Show Approach Hide Tutor Steps What is the initial concentration of C₂H302 in the solution? HC₂H302 (aq) → H3O+ (aq) + C₂H₂O₂ Z [C₂H30₂ ] = Ka = [H3O+][C₂H3O2¯] [HC₂H30₂] X M
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