What Is the [H₃O⁺] in a Buffer That Consists of 0.30

question 51

Multiple Choice

What is the [H₃O⁺] in a buffer that consists of 0.30 M HCOOH and 0.20 M HCOONa? For HCOOH, K_a = 1.7 * 10¯⁴

• A) 1.1 * 10¯⁴ M
• B) 2.6 *10¯⁴ M
• C) 4.3* 10¯⁴ M
• D) 6.7 *10¯⁵ M
• E) None of these choices is correct.

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Definitions:

Glucose

A simple sugar that is an important energy source in living organisms and a component of many carbohydrates.

Metabolism

The set of life-sustaining chemical reactions in organisms that enable the conversion of food to energy, the transformation of nutrients into cellular components, and the elimination of nitrogenous wastes.

Homologous Chromosomes

Members in each pair of chromosomes.

Particular Trait

A distinguishing characteristic or quality, especially of one's personal nature.