Problem: Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH3CH2CO2H, pKa = 4.874) using the symbols HA and A-, and the given pKa value for propanoic acid in the expression. Using the equation above, calculate the quotient [A-]/[HA] at pH           (a) 4.556          (b) 5.454          (c) pH 4.874

FREE Expert Solution
86% (482 ratings)
View Complete Written Solution
Problem Details

Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH3CH2CO2H, pKa = 4.874) using the symbols HA and A-, and the given pKa value for propanoic acid in the expression. 

Using the equation above, calculate the quotient [A-]/[HA] at pH 

          (a) 4.556

          (b) 5.454

          (c) pH 4.874

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Henderson Hasselbalch Equation concept. If you need more Henderson Hasselbalch Equation practice, you can also practice Henderson Hasselbalch Equation practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Du's class at UGA.