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If a buffer solution is 0.120 M in a weak acid (Ka = 2.0 × 10-5) and 0.440 M in its conjugate base, what is the pH?

If a buffer solution is 0.120 M in a weak acid (Ka = 2.0 × 10-5) and 0.440 M in its conjugate base, what is the pH?
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If a buffer solution is 0.120 M in a weak acid (Ka = 2.0 × 10-5) and 0.440 M in its conjugate base, what is the pH?

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User Jishnu Raj T
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9.0k points

1 Answer

6 votes
-log ka=pH - log ([A-]/[HA])

answered
User LorDex
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8.2k points
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