Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH +...

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Which of the following aqueous mixtures will result in a buffer? X. 0.20 mol CH3COOH +...

Which of the following aqueous mixtures will result in a buffer?
X. 0.20 mol CH₃COOH + 0.10 mol CH₃COONa in 1.00 L solution
Y. 0.20 mol NaOH + 0.20 mol NaCl in 1.00 L solution
Z. 0.20 mol CH₃COOH + 0.20 mol CH₃COONa in 1.00 L solution

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Answer 1

Answer #1

acidic buffer is formed by weak acid and salt of weak acid

basic buffer is formed by weak base and salt of weak base

X is acidic buffer as it is mixture of weak acid and its conjugate base.

Y is not a buffer as it is mixture of NaOH and its salt

Z is acidic buffer as it is mixture of weak acid and its

Answer: X and Z

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Answer 2

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