A Buffer Contains Equal Concentrations of NH₃(aq) and NH₄Cl(aq)

question 14

Multiple Choice

A buffer contains equal concentrations of NH₃(aq) and NH₄Cl(aq) .What is the pH of the buffer? (K_b (NH₃) = 1.8 * 10^-5)

• A) 9.26
• B) 4.74
• C) 7.00
• D) 13.00

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Definitions:

Patriot Cause

The movement and ideological drive toward independence from British rule among the American colonies, particularly during the late 18th century.

Thomas Paine

A political activist and writer whose works, including "Common Sense" and "The American Crisis," were influential in the American Revolution and the promotion of democratic ideals.

Benedict Arnold

An American military officer who served during the Revolutionary War before defecting to the British side in 1780, becoming synonymous with betrayal.

American Ally

A country that is in a mutual agreement with the United States to support each other, especially in terms of defense and international policy.