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abb0t Group TitleBest ResponseYou've already chosen the best response.0
100mM = 10*10^4 OR 1*10^3 [H+] = 1*10^3 pH = log 1*10^3 pH = 6.90
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.0
?  how did you get 6.9???
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.0
shouldnt it be 3?
 one year ago

abb0t Group TitleBest ResponseYou've already chosen the best response.0
Oh, you're right. It should be 3. My mistake. I should of known it was wrong. a pH of almost 7 for HCl makes no sense :P
 one year ago

ebaxter01 Group TitleBest ResponseYou've already chosen the best response.0
I don't get why it should be three  surely the pH is the log10 of the H+ concentration so it's log10(0.1) =1 so pH = 1. If it was 1M HCl the pH woould be 0, since log 10 of 1 is 0. pH=3 if the concentration of H+ is 1mM surely?
 one year ago
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