Polyprotic Acids

Home | General Chemistry 2 | Acids and Bases | Polyprotic Acids

Lactic acid, HC $_3$ H $_5$ O $_3$ , is a waste product that accumulates in muscle during exertion, leading to pain and a feeling of fatigue. In a 0.100 M aqueous solution, lactic acid is 3.7% dissociated. Calculate the value of K $_a$ for this reaction.

Posted by Katie Adams a year ago

Related Problems

Ranking Acidity

Rank the following in terms of acidity: HClO, IOH, and HBrO. Explain the trend.

Acids and Bases Hard Video

Acidity Trends

Rank the following in terms of acidity: HClO, HClO $_2$ , HClO $_3$ , HClO $_4$ . Explain the trend.

Acids and Bases Hard Video

pH of Weak Acid

Find the pH of 2.0 M HF, ( K $_a$ = 7.1 x 10 $^{-4}$ )

Acids and Bases Medium Video

Weak Bases

Find the pH of 3.0 M NH $_3$ , ( K $_b$ = 1.8 x 10 $^{-5}$ )

Acids and Bases Medium Video