Na2SO3溶液存在SO32-+H2O⇌HSO3-+OH-,溶液呈碱性,加入Ca(OH)2溶液,发生SO32-+Ca2+=CaSO3↓,则c(OH-)增大,pH增大,c(SO32-)减小,水解程度减小,故答案为:×.结果一 题目 向溶液中加入少量溶液,水解程度减小,溶液的PH减小.___(判断对错) 答案 溶液存在,溶液呈碱性,加入溶液,发生,则增大,pH增大,减小...
Ca + 2H2O - - Ca(OH)2 + H2 ^| అనేది ………...చర్యకు ఉదాహరణ.
Answer to: Complete and balance the reaction: Ca(OH)_2 + MgCl to. By signing up, you'll get thousands of step-by-step solutions to your homework...
1、CA 主要有机基名称HOhydroxy羟 基aminoiminomethyl脒 基H2Namino氨 基H2C=methylene亚甲基、甲撑HN=imino亚氨基CH2=CHethenyl乙烯基NCcyano氰 基CHCethynyl乙炔基O2Nnitro硝 基C6H5phenyl苯 基ONnitroso 亚硝基 C6H4phenylene苯 撑Ffluoro氟代,氟基C6H5CH2phenylmethyl苯甲基Clchloro氯代,氯基CH3C6H4methyl...
2 and 0.1 mmol Ca(OH)2 were heat in 1 mL of EtOH/H2O (20 v/v%) at 80 °C. bIsolated yields Figure 4. Synthesis of dissymmetrically substituted dimethylidene acetone derivatives. Entry 1 2 3 4 5 6 7 8 1: R 1a: Ph 1b: 4-MeC6H4 1e: 4-MeOC6H4 1f: 4-F...
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常用乙二胺四乙酸二钠盐,Na2H2Y2H2O,习惯上也称EDTA。,EDTA与金属离子配合的特点,几乎能与大部分金属离子配合;形成具有稳定性较强的配合物,具有五员环结构的螯合物,且部分具有鲜明的颜色;配合比一定,大多数为11;M+YMYEDTA与金属离子生成的配合物易溶于水,滴定反应可在水中进行;EDTA与金属离子的配合能力与溶液...
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Answer to: Identify the type of reaction and balance the equation: AgNO_3(aq) + CaCl_2(aq) \to AgCl(s) + Ca(NO_3)_2(aq) By signing up, you'll get...
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