anonymous
  • anonymous
What is the [H3O+] of a solution with a pH of 2.56? 2.56 M 2.75 x 10-3 M 363 M -0.408 M
Chemistry
katieb
  • katieb
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taramgrant0543664
  • taramgrant0543664
pH =-log[H+] [H+]=10^(-2.56)
anonymous
  • anonymous
-0.408 M?
Photon336
  • Photon336
Another thing: H3O+ or hydronium ion, is the same as H+ \[[H3O ^{+}] = [H ^{+}]\]

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taramgrant0543664
  • taramgrant0543664
Nope that's not it it won't be a negative number
Photon336
  • Photon336
@mmazach always remember with concentration you can't have a negative number
anonymous
  • anonymous
Dang.. 2.56?
taramgrant0543664
  • taramgrant0543664
Nope still not it and it wouldn't be the exact same as the ph
anonymous
  • anonymous
Ohh so 363
taramgrant0543664
  • taramgrant0543664
Did you type it into a calculator?
anonymous
  • anonymous
Yes but I think I've been typing it in incorrectly. Was 363 wrong too?
taramgrant0543664
  • taramgrant0543664
Yes it was 10 to the exponent of -2.56
taramgrant0543664
  • taramgrant0543664
It was wrong

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