In the Titration of a Weak Acid HA with 0

question 96

Multiple Choice

In the titration of a weak acid HA with 0.100 M NaOH, the stoichiometric point is known to occur at a pH value of approximately 11. Which of the following indicators would be best to use to mark the endpoint of this titration?

• A) an indicator with K_a = 10^-11
• B) an indicator with K_a = 10^-14
• C) an indicator with K_a = 10^-10
• D) an indicator with K_a = 10^-8
• E) an indicator with K_a = 10^-12

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Definitions:

Supply Curve

A graph depicting the relationship between the price of a good and the quantity of the good that suppliers are willing and able to sell, typically upward sloping.

Price Elasticity

A measure indicating the degree to which product demand is affected by price shifts.

Quantity Supplied

The amount of a good or service that producers are willing and able to sell at a given price over a specified period.

Price Increase

A Price Increase refers to a rise in the cost of goods or services that can occur due to various factors like inflation, increased production costs, or higher demand.