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(Solved): If you wanted to prepare a buffer composed of acetic acid (CH3COOH) and sodium acetate (CH3COONa), h ...



If you wanted to prepare a buffer composed of acetic acid (CH3COOH) and sodium acetate (CH3COONa), how many moles of CH3COONa would be added to 1.0 moles of CH3COOH to get a buffer with a final pH of 4.95? Hint: For HCOOH, Ka = 1.8 x 10?5

Group of answer choices

1.9 mol acetate

1.6 mol acetate

1.3 mol acetate

0.62 mol acetate



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Given Ka = 1.8 × 10^-5 Pka = -log(ka) Pka = -log ( 1.8 × 10^-5 ) Pka = 5 - log(1.8 ) Pka =
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