Which of the Following Is the Correct Hydroxide Ion (OH^-)concentration

question 89

Multiple Choice

Which of the following is the correct hydroxide ion (OH^-) concentration of an aqueous solution with a pH of 2.77? (K_w = 1.01 × 10^-14)

• A) 5.9 × 10^-12 M
• B) 1.7 × 10^-3 M
• C) 5.2 × 10^-2 M
• D) 1.1 × 10¹ M
• E) 5.9 × 10² M

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Definitions:

Double Diminishing-Balance

A method of accelerated depreciation which charges depreciation at a higher rate in the early years of an asset's life.

Accumulated Depreciation

The total amount of an asset's cost that has been allocated as depreciation expense over its useful life.

Retroactive Changes

Adjustments made to records, policies, or financial statements that apply to previous periods.