In a Solution,when the Concentrations of a Weak Acid and Its

question 26

Multiple Choice

In a solution,when the concentrations of a weak acid and its conjugate base are equal,________.

• A)the system is not at equilibrium
• B)the buffering capacity is significantly decreased
• C)the -log of the [H⁺] and the -log of the K_a are equal
• D)All of the above are true.

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Definitions:

EAR

Effective Annual Rate, the interest rate adjusted for compounding over a specified period, providing a true annual rate.

Weekly Payments

Regular payments made once a week as part of a financial agreement, often seen in loan repayments or salary distributions.

Compounded Monthly

Calculating interest each month by adding it to both the original investment and the interest that has already been accumulated from past periods.

Quarterly Payments

Payments made four times a year at three-month intervals, often related to dividends or loan repayments.