What Is Not a Correct Expression for the Weak Acid

question 194

Multiple Choice

What is not a correct expression for the weak acid HA?

• A)K_a = [H₃O⁺][A^-]/[HA]
• B)pK_a = pH - log{[A^-]/[HA]}
• C)pK_a = logK_a
• D)pK_a = 14 - pK_b

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Definitions:

Payback Period

The length of time it takes to recover the initial cost of an investment, calculated by dividing the investment cost by annual cash inflows.

Hurdle Rate

The lowest acceptable profit that a project or investment must generate to meet the requirements of a manager or investor.

Projected Cash Flows

Estimates of the amount of money expected to flow in and out of a business over a future period.

Time Value of Money

The principle that a dollar received today is worth more than a dollar received in the future, due to its potential earning capacity.