The Following Pictures Represent Solutions That Contain a Weak Acid

question 157

Multiple Choice

The following pictures represent solutions that contain a weak acid HA and/or its potassium salt KA.Unshaded spheres represent H atoms and shaded spheres represent A^- ions.(K⁺,H₃O⁺,OH^-,and solvent H₂O molecules have been omitted for clarity. )
-Which solution has the lowest pH?

• A)(1)
• B)(2)
• C)(3)
• D)(4)

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