Arrange the Following 0

question 118

Multiple Choice

Arrange the following 0.10 M solutions from lowest to highest pH: NaF, NaC₂H₃O₂, C₅H₅NHCl, KOH, HCN. (K_a for HCN is 6.2  10^-10; K_a for HF is 7.2  10^-4; K_a for HC₂H₃O₂ is 1.8  10^-5; and K_b for C₅H₅N is 1.7  10^-9)

• A) C₅H₅NHCl, HCN, NaF, NaC₂H₃O₂, KOH
• B) NaF, NaC₂H₃O₂, HCN, C₅H₅NHCl, KOH
• C) KOH, NaC₂H₃O₂, NaF, HCN, C₅H₅NHCl
• D) HCN, C₅H₅NHCl, NaF, NaC₂H₃O₂, KOH
• E) none of these

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Definitions:

Consciousness

Consciousness is the state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.

Daydreaming

A short-term detachment from one's immediate surroundings, during which a person's attention is focused on internal thoughts or fantasies.

Altered State

A condition of consciousness that is significantly different from normal waking consciousness, often induced by methods such as meditation, drugs, or hypnosis.

Consciousness

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.