Which Statement Is Incorrect

question 132

Multiple Choice

Which statement is incorrect?

• A) A chemical buffer system consists of a pair of substances involved in a reversible reaction, one that can yield free H⁺ and one that can bind with free H⁺.
• B) A chemical buffer system minimizes changes in the pH of a solution when an acid or base is added to or removed from the solution.
• C) Buffers respond to pH changes in about three minutes, but then can be very effective in preventing dramatic pH changes.
• D) A buffer system cannot actually eliminate hydrogen ions from the body.
• E) Buffer systems act according to the law of mass action.

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Definitions:

Widely Used

A term describing something that is extensively accepted or employed by a large number of people or in various areas.

Net Present Value

A method used in capital budgeting to evaluate the profitability of an investment by determining the difference between the present value of cash inflows and outflows.

Zero

A numerical value representing no quantity or null in mathematical terms; it serves as a placeholder in the decimal system.

NPV

Net Present Value (NPV) is the calculation used to determine the present value of a series of future cash flows minus the initial investment, used in capital budgeting to assess the profitability of an investment.