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弱电解质电离平衡

> 常温时，下列叙述正确的是 A．pH＝9的NH4Cl与NH3•H2O混合溶液中c(Cl-)>c(NH4+) B．pH＝2.5的可乐中c(H＋) 是pH＝3.5的柠檬水中c(H＋)的10倍 C．AgCl在0.1mol /L CaCl2溶液和0.1mol/L NaCl溶液中的溶解度相同 D．1 mL 1mol /L Na2CO3溶液加水稀释至100mL， pH和Kw均减小

问题：

发布时间：2024-09-13

常温时，下列叙述正确的是

A．pH＝9的NH₄Cl与NH₃•H₂O混合溶液中c(Cl^-)>c(NH₄⁺)

B．pH＝2.5的可乐中c(H^＋) 是pH＝3.5的柠檬水中c(H^＋)的10倍

C．AgCl在0.1mol /L CaCl₂溶液和0.1mol/L NaCl溶液中的溶解度相同

D．1 mL 1mol /L Na₂CO₃溶液加水稀释至100mL， pH和K_w均减小

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