In Which of the Following Aqueous Solutions Does the Weak

question 29

Multiple Choice

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

• A)0.01 M H₂SO₃ (K_a = 1.4 × 10^-2)
• B)0.01 M HCN (K_a = 6.2 × 10^-10)
• C)0.01 M H₂CO₃ (K_a = 4.5 × 10^-7)
• D)0.01 M HC₃H₅O₂ (K_a = 1.3 × 10^-5)
• E)0.01 M HOCl (K_a = 3.5 × 10^-8)

Comprehend the principles underlying the arrangement of electrons in an atom.

Understand the defining characteristics and synapomorphies of chordates.

Identify and describe the function of structures in echinoderms and their feeding mechanisms.

Differentiate between major groups within the phyla Chordata and Echinodermata based on morphology and function.

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