A Solution Contains 3

question 116

Multiple Choice

A solution contains 3.8 × 10^-2 M in Al³⁺ and 0.29 M in NaF.If the K_f for AlF₆^3- is 7 × 10¹⁹,how much aluminum ion remains at equilibrium?

• A)1.1 × 10^-19 M
• B)3.1 × 10^-22 M
• C)9.1 × 10^-19 M
• D)1.9 × 10^-21 M
• E)4.4 × 10^-20 M

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Definitions:

Variations in Consciousness

Refers to the differences in awareness levels, including wakefulness, sleep, and altered states of consciousness.

Prefrontal Cortex

The front part of the frontal lobe of the brain, important for decision-making, problem-solving, control of behavior and emotions, and complex cognitive behavior.

PGO Activity

Stands for Ponto-Geniculo-Occipital waves, which are associated with REM sleep and are thought to play a role in dreaming and learning.

Activation-Synthesis

A theory suggesting that dreams are the result of the brain's attempt to make sense of neural activity during sleep.