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Fall 2011 Final Exam, Question #7, Part A

Posted: Tue Jul 26, 2016 11:42 am
by Esteban Espinoza
I was wondering if anyone could explain to me how they got the answer 9.25 for:
pKa (NH4+) = -log(5.55x10^-10)

Because when I plug it into my calculator I get: 21.31

Re: Fall 2011 Final Exam, Question #7, Part A

Posted: Tue Jul 26, 2016 2:32 pm
by Chem_Mod
Please check your calculator, it should be 9.25