Below Is a Representation of an Aqueous Solution of a Weak

question 63

Multiple Choice

Below is a representation of an aqueous solution of a weak acid HA at equilibrium.(Each circle represents 1.0 mmol of atoms,and the volume of the box is 1.0 L.Solvent water molecules are not shown for clarity.) What is the percent ionization of HA?

• A)100%
• B)50%
• C)25%
• D)12.5%
• E)Cannot be calculated without knowledge of K_a

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