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3. Acetic acid has a pKa of 4.76. If you want to make a buffered solution with a pH of 5.76, what ratio of sodium

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3. Acetic acid has a pKa of 4.76. If you want to make a buffered solution with a pH of 5.76, what ratio of sodium acetate:acetic acid should mix together? A. 10:1 B. 3:2 C. 1:1 D. 2:3 E. 1:10 4. Two amino acids of the standard 20 contain sulfur atoms. They are: A) cysteine and serine. B) cysteine and threonine. C) methionine and cysteine D) methionine and serine E) threonine and serine

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