Find the initial concentration of a solution of HClO with pH=4.28 and Ka= 3.0 x 10-8. ( include ICE chart if possible)
In a solution of this acid in water, you know that [H+]= [ClO-].
From the pH = 4.48, you can calculate [H+] = 10^-4.48 = 3.31 X
10^-5 = [ClO-]
Now, using the expression for Ka, you have:
Ka = 3.0 X 10^-8 = [H+][ClO-] / [HClO] Plugging in and solving for
[HClO] gives:
3.0 X 10^-8 = (3.31 X 10^-5)^2/[HClO]
[HClO] = 0.0365 M
so 3.7 X 10^-2 M is the bet answer.
Find the initial concentration of a solution of HClO with pH=4.28 and Ka= 3.0 x 10-8....
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