2NaOH + SO2 === Na2SO3 + H2O 2NaOH + SO3 === Na2SO4 + H2O HNO3 + NaOH === NaNO3 + H2O CH3COOH + NaOH === CH3COONa + H2O AlCl3 + 3NaOH === Al(OH)3↓+3NaCl 盐酸和烧碱起反应：HCl + NaOH === NaCl +H2O 硫酸和烧碱反应：H2SO4 + 2NaOH === Na2SO4 + 2H...
CaOCl2+NaI+HCl→___+CaCl2+H2O+NaC Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET preparation and CBSE, UP Board, Bihar Board, Rajasthan Board, MP Board, ...
甲基橙:黄⇒橙红HCl+NaOH=NaCl+H2O酚酞:无⇒粉 三、操作步骤盐酸滴定已配好,待标2.盐酸的标定分析天平上减重法称取的基准物质碳酸钠0.2到0.15克三份,分别置于锥形瓶中,各加水50ml溶解,滴加甲基橙3-4滴。用盐酸滴定,终点加热煮沸约2分钟。冷却至室温,再滴定至终点。记录碳酸钠的质量和消耗盐酸的体积。 三、...
Answer to: For the following reaction, identify the reactant that is the oxidizing agent. HCl + NaOH \rightarrow NaCl + H_2O By signing up, you'll...
A.2NaOH+CO2→Na2CO3+H2O B.CuO+H2SO4→CuSO4+H2O C.Al(OH)3+3HCl→AlCl3+3H2O D.Na2CO3+2HCl→2NaCl+H2O+CO2↑相关知识点: 试题来源: 解析 答案:C。 解:A、二氧化碳既不是酸也不是碱,所以不是中和反应,故错误; B、氧化铜属于氧化物,它既不是酸也不是碱,所以不是中和反应,故错误; C、氢氧...
2Na2O2 + 4HCl = 4NaCl + 2H2O + O2上升(看成复分解反应,强酸HCl制取弱酸H2O2,然后过氧化氢自己分解。)4.实验基本程序:观察法分类法实验法比较法5.氯水易液化,能溶于水(1:2)氯水颜色呈浅黄绿色6.Cu与Cl2反应,出现棕黄色的烟,加少量水呈绿色,冲稀后呈蓝色。7. 由于氯水中成分的复杂性,使氯水具有下列...
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