Homework Help: Chemistry

Posted by HELP!! on Sunday, April 29, 2012 at 3:21am.

What is the pH of the solution created by combining 12.30 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?

mL NaOH:12.30
pH w/ HCl _________
pH w/ HC2H3O2 _________

What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water?

mL NaOH:12.30
pH w/ HCl _________
pH w/ HC2H3O2 _________

Chemistry - DrBob222, Sunday, April 29, 2012 at 12:34pm
I have worked this problem twice in the last couple of days for others. I'll look up the last one and post it here.
Chemistry - DrBob222, Sunday, April 29, 2012 at 12:36pm
http://www.jiskha.com/display.cgi?id=1335641898
Chemistry - HELP!!, Sunday, April 29, 2012 at 7:17pm
Thank you so much!!!
Chemistry - HELP!!, Sunday, April 29, 2012 at 7:23pm
wait but i keep negative values for the moles of HCl because I have a large volume of NaOH unlike the other problems...
Chemistry - HELP!!, Sunday, April 29, 2012 at 7:32pm
Never mind. i got it

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