Lactic Acid Is a Major Component of Ringer's Solution, Which

question 98

Multiple Choice

Lactic acid is a major component of Ringer's solution, which is used as an intravenous fluid to maintain fluid balance in trauma patients. The pH of a 0.100 M lactic acid solution is around 2.44. Based on this information, determine the value of the acid ionization constant, K_a, for lactic acid.

• A)1.2  10 ^{ 2}
• B)1.4  10 ^{ 4}
• C)4.7  10 ^{ 3}
• D)1.8  10 ^{ 4}
• E)7.4  10 ^{ 3}

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