Which Statement Is Incorrect About a Chemical Buffer

question 59

Multiple Choice

Which statement is incorrect about a chemical buffer?

• A)It 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)It minimizes changes in the pH of a solution when an acid or base is added to or removed from the solution.
• C)It responds to pH changes in about three minutes, but then can be very effective in preventing dramatic pH changes.
• D)It cannot actually remove hydrogen ions from the body.
• E)It acts according to the law of mass action.

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Definitions:

Internal Rate

Generally refers to the internal rate of return (IRR), which is a metric used in capital budgeting to estimate the profitability of potential investments.

Cash Flows

The net amount of cash and cash-equivalents being transferred into and out of a business.

Net Present Value

A financial metric used to evaluate the profitability of an investment, representing the difference between the present value of cash inflows and outflows over a period.

Capital Budgeting

The process of evaluating and selecting long-term investments that are in line with the goal of maximizing shareholder wealth.