Be sure to answer all parts.
What is the [H3O+] and the pH of a buffer that consists of 0.14 M HF and 0.38 M KF? (Ka of HF = 6.8 x 10-4)
[H3O+] = _______ x 10 _______
pH = _________
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What scientific concept do you need to know in order to solve this problem?
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