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Chemistry
Chemistry
Problem
At 25 °C, the acid-dissociation constant of acetic acid is
K
a
=
1.8
×
10
−
5
K_a=1.8\times10^{-5}
K
a
=
1.8
×
1
0
−
5
. Determine the pH of a 0.200 M aqueous solution of acetic acid, expressing your answer to two decimal places.
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