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单词 solubility product
释义 solubility product
Symbol Ks. The product of the concentrations of ions in a saturated solution. For instance, if a compound AxBy is in equilibrium with its solution
AxBy(s) ⇌ xA+(aq) + yB-(aq)
the equilibrium constant is
Kc = [A+]x[B-]y/[AxBy]
Since the concentration of the undissolved solid can be put equal to 1, the solubility product is given by
Ks = [A+]x[B-]y
The expression is only true for sparingly soluble salts. If the product of ionic concentrations in a solution exceeds the solubility product, then precipitation occurs
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更新时间:2025/6/23 16:48:58