Skip to main content

All Questions

0 votes
1 answer
1k views

Why is finding [H+] when given [OH-]= 3.57e-5 M wrong when I use -log[OH-]?

Question/Problem I know that [H+][OH-]=$10^{-14}$ And the problem asks to find out the concentration of H+ when the concentration of OH- is $3.57*10^{-5}$M By using the equation above i find that ...
John Rawls's user avatar
1 vote
1 answer
209 views

Finding pH using the -log, why does my calculation differ from the book's answer?

An aqueous solution containing 0.0020 mol/L barium hydroxide, what is the pH? I do the following: 14-(-log(0.0020))=11.3pH. The answer is 11.6. 2.0*10^-3 mol/L sodium hydroxide solution, what is the ...
Arthur Alex Karapetov's user avatar