Lena772
  • Lena772
A student adds 15.0 mL 2.00 M sodium acetate and 10.0 mL 2.0 M HCl. Determine the pH of the resulting solution. Ka HC2H3O2 = 1.80E-5
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Lena772
  • Lena772
@Cuanchi I've tried the same method with this and got it wrong twice.
Cuanchi
  • Cuanchi
this is sodium acetate it is a salt and the HCl acid you may have a buffer here. Acetic/Acetate
Lena772
  • Lena772
does that mean i can use hasselbach?

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Photon336
  • Photon336
What was the method you used before?
Cuanchi
  • Cuanchi
you do the titration of the Acetate with the HCl and calculate how much acetate and Acetic you have. Yes you can use Hasselbach
Lena772
  • Lena772
4.7447274949+log(1.2/0.8) =4.92 Is this right?
Lena772
  • Lena772
I used the hasselbach method but i may have plugged in something wrong
Cuanchi
  • Cuanchi
let me think doesnt looks that easy how i was thinking in the biguining
Lena772
  • Lena772
I submitted and that was right. I must have been plugging stuff in wrong. Thanks for all your help :)
Cuanchi
  • Cuanchi
ok you are lucky!!

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