AP Chemistrymediummcq1 pt
Which salt dissolves in water to give a basic solution?
A.NaCH₃COO
B.NaCl
C.NH₄Cl
D.KNO₃
Explanation
Core Concept
Acetate is the conjugate base of a weak acid and hydrolyzes: CH₃COO⁻ + H₂O ⇌ CH₃COOH + OH⁻, making the solution basic. Na⁺ is pH-neutral.
Correct Answer
ANaCH₃COO
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