A- Is a Weak Base

question 90

Multiple Choice

A- is a weak base. Which equilibrium corresponds to the equilibrium constant K_a for HA?

• A)HA (aq) + H₂O (l) H₂A⁺ (aq) + OH^- (aq)
• B)A^- (aq) + H₃O⁺ (aq) HA (aq) + H₂O (l)
• C)HA (aq) + H₂O (l) H₃O⁺ (aq) + A^- (aq)
• D)A^- (aq) + H₂O (l) HA (aq) + OH^- (aq)
• E)A^- (aq) + OH^- (aq) HOA^2- (aq)

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Definitions:

Marginal Benefit

The additional satisfaction or utility gained by consuming one more unit of a good or service.

Diamond

A precious gemstone formed from carbon under high pressure and temperature, valued for its brilliance, clarity, and rarity.

Water

Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is essential for the survival of most known forms of life.

Marginal Cost

The expense associated with manufacturing an additional unit of a product or service.