What Is the PH of a Buffer That Consists of 0.45

question 28

Multiple Choice

What is the pH of a buffer that consists of 0.45 M CH₃COOH and 0.35 M CH₃COONa? K_a = 1.8 × 10^-5

• A) 4.49
• B) 4.64
• C) 4.85
• D) 5.00
• E) 5.52

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Definitions:

Accumulated Depreciation

Represents the total depreciation expense allocated to a tangible asset since it was put into use, reducing its book value on the balance sheet.

Useful Life

The period during which an asset is expected to be usable for its intended purpose, important for depreciation calculations.

Commercial Substance

A situation where the future cash flows of an asset or business operation are expected to change significantly as a result of a transaction.

Fair Value

An estimate of the market value of an asset or liability, based on current prices in an active market.