Which of the Following Is TRUE

question 168

Multiple Choice

Which of the following is TRUE?

• A) An effective buffer has a [base]/[acid] ratio in the range of 10-100.
• B) A buffer is most resistant to pH change when [acid] = [conjugate base].
• C) An effective buffer has very small absolute concentrations of acid and conjugate base.
• D) The capacity of a buffer cannot be exceeded by adding too much strong base. It can only be exceeded by adding too much strong acid.
• E) A buffer has the best resistance to pH change when the buffer's pH is significantly lower than the pK_a of the acid used to make the buffer solution.

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Definitions:

Tax-Deductibility

The feature of certain expenses that can be subtracted from gross income to reduce taxable income and lower the tax bill.

Interest Expense

The cost incurred by an entity for borrowed funds; this can include payments on loans, bonds, or lines of credit.

WACC

Weighted Average Cost of Capital; a calculation of a firm's cost of capital in which each category of capital is proportionately weighted.

Book Value

The net value of a company's assets minus its liabilities, often used to assess a company's financial health.