A 050 M Solution of a Weak Acid HA Has the the Same

question 42

Multiple Choice

A 0.50 M solution of a weak acid HA has the same pH as a 0.075 M solution of HCl.Calculate the K_a for HA.

• A)0.50
• B)0.075
• C)0.1324
• D)0.01125

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Definitions:

Straight-Line Depreciation

An arrangement for allocating the cost of a tangible asset over its duration of usefulness in identical annual segments.

Discount Rate

The interest rate charged to commercial banks and other depository institutions by the central bank for loans received from the central bank's discount window; it is also used in discounted cash flow analysis to determine the present value of future cash flows.

Payback Period

The duration required for an investment to recoup its initial outlay in terms of profits or savings.

Initial Investment

The amount of money used to start a project, business, or investment, often encompassing costs such as capital expenditures and working capital.