Question: If a buffer solution is 0.260M in a weak acid (Ka=7.8105) and 0.420M in its conjugate base, what is the pH

If a buffer solution is 0.260M in a weak acid (Ka=7.8105)

If a buffer solution is 0.260M in a weak acid (Ka=7.8105) and 0.420M in its conjugate base, what is the pH

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