A solution of sodium butyrate (NaC4H¬O2, molar mass 110.0 g/mol), is prepared by mixing 8.800 grams of sodium butyrate in enough water to make a 500.0 mL solution. (Sodium butyrate is the salt of the conjugate base of butyric acid; see problem 8.) Complete the hydrolysis reaction expected to take place in this solution. C,H¬O2° (aq) H2O (1) Write the equilibrium expression for this hydrolysis reaction. (Show it correctly as a Ka or a Kp .) Is the solution prepared as described expected to be acidic, basic, or neutral? (circle one) What is the pH of the solution ? Hint: begin with the hydrolysis reaction you wrote.

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A solution of sodium butyrate (NaC4H¬O2, molar mass 110.0 g/mol), is prepared by mixing 8.800
grams of sodium butyrate in enough water to make a 500.0 mL solution. (Sodium butyrate is the salt of
the conjugate base of butyric acid; see problem 8.)
Complete the hydrolysis reaction expected to take place in this solution.
C,H¬O2° (aq)
H2O (1)
Write the equilibrium expression for this hydrolysis reaction. (Show it correctly as a Ka or a Kp .)
Is the solution prepared as described expected to be acidic, basic, or neutral? (circle one)
What is the pH of the solution ?
Hint: begin with the hydrolysis reaction you wrote.
Transcribed Image Text:A solution of sodium butyrate (NaC4H¬O2, molar mass 110.0 g/mol), is prepared by mixing 8.800 grams of sodium butyrate in enough water to make a 500.0 mL solution. (Sodium butyrate is the salt of the conjugate base of butyric acid; see problem 8.) Complete the hydrolysis reaction expected to take place in this solution. C,H¬O2° (aq) H2O (1) Write the equilibrium expression for this hydrolysis reaction. (Show it correctly as a Ka or a Kp .) Is the solution prepared as described expected to be acidic, basic, or neutral? (circle one) What is the pH of the solution ? Hint: begin with the hydrolysis reaction you wrote.
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