A scientific conclusion is best supported by results
2 answers:
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Answer : The value of of the weak acid is, 4.72
Explanation :
First we have to calculate the moles of KOH.
Now we have to calculate the value of of the weak acid.
The equilibrium chemical reaction is:
Initial moles 0.25 0.03 0
At eqm. (0.25-0.03) 0.03 0.03
= 0.22
Using Henderson Hesselbach equation :
Now put all the given values in this expression, we get:
Therefore, the value of of the weak acid is, 4.72