In Which of the Following Aqueous Solutions Does the Weak

question 92

Multiple Choice

In which of the following aqueous solutions does the weak acid exhibit the lowest percentage ionization?

• A)0.01 M HCN (K_a = 6.2 × 10^-10)
• B)0.01 M H₂CO₃ (K_a = 4.5 × 10^-7)
• C)0.01 M HNO₂ (K_a = 4.0 × 10^-4)
• D)0.01 M HCHO₂ (K_a = 1.8 × 10^-4)
• E)0.01 M HOCl (K_a = 3.5 × 10^-8)

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Definitions:

Natural Selection

A process by which species adapt to their environment as individuals with advantageous traits survive and reproduce more successfully than others.

Evolution

The process through which species undergo genetic changes over generations, leading to the development of new species.

Common Ancestor

An ancestral form or species from which two different species or groups have evolved.

Humans

A species of bipedal primates, scientifically known as Homo sapiens, characterized by their ability to use complex language, make tools, and form complex social structures.