What is the characteristic pH of a 0.1 M aqueous solution of Sodium Sulfide (Na₂S)?

pH < 7
pH = 7
pH > 7
pH = 1

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Na₂S is a salt formed from a strong base (NaOH) and a weak acid (H₂S). The sulfide ion (S²⁻) undergoes basic hydrolysis to produce OH⁻ ions, making the solution basic.

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