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Below Is a Representation of an Aqueous Solution of a Weak

Question 28

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Below is a representation of an aqueous solution of a weak acid HA at equilibrium.(Each circle represents 1.0 ×10-3 mol of atoms,and the volume of the box is 1.0 L.Solvent water molecules are not shown for clarity.) Below is a representation of an aqueous solution of a weak acid HA at equilibrium.(Each circle represents 1.0 ×10<sup>-</sup><sup>3</sup> mol of atoms,and the volume of the box is 1.0 L.Solvent water molecules are not shown for clarity.) What is K<sub>a</sub> of HA? A) 1.0 ×10<sup>-</sup><sup>6</sup> B) 6.0 ×10<sup>-</sup><sup>3</sup> C) 2.5 ×10<sup>-</sup><sup>4</sup> D) 3.6 ×10<sup>-</sup><sup>5</sup> E) 1.0 ×10<sup>-</sup><sup>9</sup> What is Ka of HA?


A) 1.0 ×10-6
B) 6.0 ×10-3
C) 2.5 ×10-4
D) 3.6 ×10-5
E) 1.0 ×10-9

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