A 06 M Solution of a Weak Acid Had a PH

question 72

Multiple Choice

A 0.6 M solution of a weak acid had a pH of 5.8. What is the pK_a of the solution?

• A) 11.3
• B) 10.5
• C) 8.2
• D) 5.7
• E) 2.9

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Definitions:

A Horizon

The A Horizon refers to the top layer of soil rich in organic matter and minerals, essential for plant growth.

O Horizon

The uppermost layer of soil, rich in organic material, such as decomposed leaves and plants, contributing to soil fertility and health.

C Horizon

The layer of soil beneath the B horizon, composed of larger unweathered rocks and mineral particles, and is less affected by the soil-forming processes.

Vascular Plants

A large group of plants that possess vascular tissues (xylem and phloem) for the transport of water, nutrients, and sugars throughout the plant.