Biochem

A buffer solution is prepared by mixing 200 mL of 0.2 M salt solution and 400 mL of a 0.2 M acid solution. What is the concentration of the resulting buffer?

~what is the pKa?

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  1. What salt? what acid? what's the pH.

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  2. 32

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  3. I have not been able to get answer

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  4. Please help me with the answer

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