What Is the Actual Concentration of the Molecular Form of HF

question 12

Multiple Choice

What is the actual concentration of the molecular form of HF in a 1.0 M HF solution given that
K_a of HF is 6.8 * 10^-4?

• A) 2.6 *10^-2 M
• B) 0.97 M
• C) 1.59 M
• D) 6.8 * 10^-4 M
• E) 1.0 M

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Definitions:

Reciprocal Altruism

A behavior in which an organism acts in a manner that temporarily reduces its fitness while increasing another organism's fitness, with the expectation that the action will be reciprocated in the future.

Reciprocity

A mutual exchange of privileges or interactions between two parties, where each party provides benefits to the other with a sense of obligation.

Pluralistic Ignorance

A type of misunderstanding that occurs when members of a group don’t realize that the other members share their perception (often, their uncertainty about how to react to a situation). As a result, each member wrongly interprets the others’ inaction as reflecting their better understanding of the situation.

Car Accident

An unexpected and unintended event involving vehicles that can cause damage and injury.