An Ammonia Buffer Contains NH₃:NH₄⁺ in a Ratio of 0

question 42

Multiple Choice

An ammonia buffer contains NH₃:NH₄⁺ in a ratio of 0.4 moles:0.6 moles (pK = 9.75) . What will be the pH if you add 0.01 moles of HCl to this buffer?

• A) 8.98
• B) 9.04
• C) 9.25
• D) 9.46
• E) 9.52

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Definitions:

Slave Ownership

Refers to the historical and inhumane practice of possessing individuals as property, primarily seen in pre-Civil War United States among other parts of the world.

Southern Households

Homes in the Southern United States, often historically characterized by their connection to plantation economies and reliance on slave labor before the Civil War.

Internal Slave Trade

The buying and selling of slaves within a country, particularly referring to the trade of enslaved African Americans within the United States before the Civil War.