CHEMISTRY

a) Calculate the change in pH when 4.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).

b) Calculate the change in pH when 4.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.

asked by Jematormal91
  1. I've worked this, or at least a variation of it, earlier today. If you can't find it let me know and I'll try to find it and give you a link.

    posted by DrBob222
  2. I tried doing it and got for a) -0.03 and b) 0.03 but the program keeps telling me I have the wrong answers... I don't know what I am doing wrong.

    posted by Jematormal91
  3. If you had posted your work I could have found your error by now. You didn't and I have no idea what you've done. Here is a link to the other one.
    http://www.jiskha.com/display.cgi?id=1332885681

    posted by DrBob222
  4. (a) 60 mL of 0.100 M HCl and 10.0 mL of 0.480 M HCl

    posted by Anonymous

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