Question

question 30 (1 point)
a student prepares a $\ce{ch_{3}cooh-ch_{3}coona}$ buffer system. the buffer solution used in this process is
\\(\bigcirc\\) ethanoic acid-sodium acetate
\\(\bigcirc\\) formic acid-sodium formate
\\(\bigcirc\\) carbonic acid-bicarbonate
\\(\bigcirc\\) ammonium hydroxide-ammonium chloride
\\(\bigcirc\\) none of the above

Explanation:

To solve this, we identify the chemical names of \( \text{CH}_3\text{COOH} \) and \( \text{CH}_3\text{COONa} \). \( \text{CH}_3\text{COOH} \) is ethanoic acid (also called acetic acid), and \( \text{CH}_3\text{COONa} \) is sodium acetate. So the buffer system \( \text{CH}_3\text{COOH-CH}_3\text{COONa} \) corresponds to ethanoic acid - sodium acetate.

Answer:

A. ethanoic acid - sodium acetate