A Solution Is Prepared by Dissolving 0

A solution is prepared by dissolving 0.23 mol of butanoic acid and 0.27 mol of sodium butanoate in water sufficient to yield 1.00 L of solution.The addition of 0.05 mol of HCl to this buffer solution causes the pH to drop slightly.The pH does not decrease drastically because the HCl reacts with the ________ present in the buffer solution.The K_a of butanoic acid is 1.36 × 10^-3.

A) H₂O
B) H₃O⁺
C) butanoate ion
D) butanoic acid
E) This is a buffer solution: the pH does not change upon addition of acid or base.

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free