When Values of K_a Are Small (E

question 11

Multiple Choice

When values of K_a are small (e.g., 1 *10^-5) and concentrations of weak acids [HA] are relatively large (e.g., 0.10 M) , the hydronium ion concentration of the solution can be calculated using which expression?

• A) [H⁺] = K_a
• B) [H⁺] = K_a[HA]
• C) [H⁺] = (K_a[HA])^1/2
• D) [H⁺] = K_aK_b[HA]
• E) [H⁺] = K_a[HA]/[A^-]

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Definitions:

Physical Attractiveness

A characteristic that encapsulates what is generally considered appealing, engaging, or aesthetically pleasing in a person's appearance.

Attractive People

Individuals who are generally considered pleasing or appealing to look at by societal standards.

Less Attractive

The subjective evaluation of an individual or item as being less appealing, desirable, or pleasing in appearance compared to others.

Fundamental Attribution Error

The tendency to overemphasize personality traits and underestimate situational factors when explaining others' behaviors.