Calculate [H⁺] in a Solution That Is 0

question 86

Multiple Choice

Calculate [H⁺] in a solution that is 0.30M in NaF and 0.46 M in HF. (K_a = 7.2 × 10^-4)

• A) 1.2 × 10^-4 M
• B) 5.7 × 10^-3 M
• C) 231.5 × 10^-2 M
• D) 4.7 × 10^-4 M
• E) 0.46 M

---

Definitions:

Rational Unconscious

A concept that suggests that the unconscious mind is capable of logical thought and can affect conscious decision making.

Preconscious

Part of Freud's theory of the mind, referring to the thoughts and feelings not presently in conscious awareness but that can be accessed easily.

Cognitive Factors

Refers to the mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

Kelly

Referring to George Kelly, a psychologist known for his personal construct theory which posits that individuals interpret the world through their own constructs.