At the Equivalence Point in an Acid-Base Titration

question 68

Multiple Choice

At the equivalence point in an acid-base titration

• A)the [H ₃O ⁺] equals the K _a of the acid.
• B)the [H ₃O ⁺] equals the K _a of the indicator.
• C)the amounts of acid and base which have been combined are in their stoichiometric ratio.
• D)the pH is 7.0.
• E)the pH has reached a maximum.

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Definitions:

Equilibrium Price

Equilibrium price is the price at which the quantity of a good demanded by consumers equals the quantity supplied by producers, leading to market stability.

Consumer Surplus

The difference in the total expected payment consumers are ready to make for a good or service and their actual expenditures.

Producer Surplus

The difference between the actual amount received by sellers for a product and the least amount they would be willing to accept, representing the net benefit to producers.

Excess Supply

Occurs when the quantity of a good or service supplied is greater than the quantity demanded, often leading to a decrease in price.