For H₃PO₄, K_a1 = 7

question 151

Multiple Choice

For H₃PO₄, K_a1 = 7.3 * 10^-3, K_a2 = 6.2 * 10^-6, and K_a3 = 4.8 * 10^-13. An aqueous solution of NaH₂PO₄ therefore would be

• A) neutral.
• B) basic.
• C) acidic.

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Definitions:

Visual Perception

The ability to interpret and make sense of visual information from the environment, including recognizing objects, gauging distances, and perceiving colors.

Frontal Lobes

The part of the brain located at the front of each cerebral hemisphere, responsible for higher cognitive functions like decision making, planning, and regulating social behavior.

Temporal Lobes

The regions of the brain located on each side of the brain, below the lateral fissure, involved in processing sensory input into derived meanings for the appropriate retention of visual memory, language comprehension, and emotion association.

Parietal Lobes

Sections of the brain located at the top of the cerebral hemisphere, responsible for processing sensory information relating to taste, temperature, and touch, as well as spatial orientation and navigation.