The pH of a sodium acetate–acetic acid buffer is 4.50. Calculate the

1.	The pH of a sodium acetate–acetic acid buffer is 4.50. Calculate the ratio [CH3COO-]/[CH3COOH].
Answer» THE EQUATION THAT WILL BE USED IS THE HENDERSON-HESSELBACH EQUATION. pH=pka + LOG [BASE]/[ACID] IN THE SYSTEM THE BASE IS CH3COO— WHILE THE ACID IS CH3COOH. • THE pKa OF ACETIC ACID IS 4.75. 4.50 = 4.75 + LOG [CH3COO—] / [CH3COOH] 4.50-4.75= LOG [CH3COO—] / [ CH3COOH] -0. 25 = LOG [CH3COO—] / [CH3COOH] [CH3COO—] / [CH3COOH] = O. 56 I HOPE THIS ANSWER WILL HELPFULL TO YOU. PLS MARK ME AS BRAINBRAINLIEST

The pH of a sodium acetate–acetic acid buffer is 4.50. Calculate the ratio [CH3COO-]/[CH3COOH].

Answer»

THE EQUATION THAT WILL BE USED IS THE HENDERSON-HESSELBACH EQUATION.

pH=pka + LOG [BASE]/[ACID]

IN THE SYSTEM THE BASE IS CH3COO—

WHILE THE ACID IS CH3COOH.

• THE pKa OF ACETIC ACID IS 4.75.

4.50 = 4.75 + LOG [CH3COO—] / [CH3COOH]

4.50-4.75= LOG [CH3COO—] / [ CH3COOH]

-0. 25 = LOG [CH3COO—] / [CH3COOH]

[CH3COO—] / [CH3COOH] = O. 56

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