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當量點[1](英文:equivalence point、stoichiometric point),指的是酸鹼中和滴定時,被滴定溶液中酸的克當量數等於鹼的克當量數的那一刻,理想上此時酸與鹼恰好完全中和。但當量點不一定會呈中性,必須由產生的鹽類決定。當強酸、強鹼滴定時,當量點約呈中性;當強酸、弱鹼滴定時,當量點呈酸性;當強鹼、弱酸滴定時,當量點呈鹼性。
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