(Solved): K(HAc)=1.8105, calculate the pH of following solutions: (1) 0.20molL1HAc solutions ...

Expert Answer

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The concentration given of acetic acid is   .
The given dissociation constant of acetic acid is   .
We know that the dissociation reaction of acetic acid is as follows:
  
So, according to the data, let   be the concentration of hydrogen ions. So,



Now, we know the relation between the dissociation constant and concentration of hydrogen ion we get,