K _a for HF Is 3

question 23

Multiple Choice

K _a for HF is 3.5×10 ^{- 4}. Calculate K _b for the fluoride ion.

• A) 2.8×10³
• B) 3.5×10 ^{- 4}
• C) 1.0×10 ^{- 7}
• D) 3.5×10 ^{- 10}
• E) 2.8×10 ^{- 11}

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Definitions:

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and the actual price they pay.

Comparative Advantage

Comparative advantage is the ability of an individual, company, or country to produce a good or service at a lower opportunity cost than competitors, underpinning international trade theory.

International Trade

The exchange of goods, services, and capital across international borders, driven by the concept of comparative advantage.

Tariff

A tax imposed on imported goods and services to increase their price and reduce competition with domestic products.