A titration of 25.0 mL of formic acid (HCOOH, KA=1.77×10−4) requires 36.0 mL of 0.100 M NaOH to reach equivalence. What is the pH at this point? a. 2.49 b. 5.73 c. 11.51 d. 8.26

asked by @student96818 • about 1 year ago • Chemistry • 5 pts

The answer is d but I'd just like to have it explained because I'm a little confused. Thanks!

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2 answers

Hey there! I've used the simplified equation for this one. You basically just need the Kb value and the concentration of formate by considering the dilution that happens. The solution is posted below. I hope this helps! enter image description here

answered by @leot1 • about 1 year ago

8.26

answered by @mohamedz3 • about 1 year ago