1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Analytical chem

  1. Oct 27, 2007 #1
    1. The problem statement, all variables and given/known data

    A solution is to be buffer at pH = 3:35 with formic acid and formate.
    (a) How many moles of formic acid and sodium formate are needed if the solution is to change pH by < 0:02
    for the addition of 0.02 moles of strong acid?

    i need help how to set up a problem like this, i dont even know how to approche it !!
  2. jcsd
  3. Oct 29, 2007 #2
    I think this might help. Henderson-Hasselbalch
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook