What Is the Value of K_b for the Formate Anion

question 37

Multiple Choice

What is the value of K_b for the formate anion, HCOO⁻? K_a(HCOOH) = 2.1 × 10⁻⁴

• A)−2.1 × 10 ⁻⁴
• B)2.1 × 10 ⁻⁴
• C)6.9 × 10 ⁻⁶
• D)4.8 × 10 ⁻¹¹
• E)2.1 × 10 ⁻¹⁸

Recognize the importance of environmental factors and community infrastructure in disease prevention.

Understand the historical development of public health initiatives and their impact on community health.

Analyze the role of government and non-governmental organizations in the advancement of public health.

Identify key figures and their contributions to public health and nursing.

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Definitions:

Accumulated Depreciation

The cumulative sum of depreciation costs charged to a fixed asset from the time of its purchase.

Gain or Loss

The financial result of disposing or selling an asset or investment, measured by the difference between the sale price and the asset's book value.

Equipment

Tangible assets used in the operation of a business to produce goods or provide services, such as machinery, computers, or tools.

Double-declining-balance

An accelerated depreciation method that calculates depreciation at twice the rate of the straight-line method.