百度试题 结果1 题目NaOH-CH3OH标准溶液如何配置 相关知识点: 试题来源: 解析 将一定量的NaOH溶解在CH3OH中,稀释到500mL即可。反馈 收藏
27.水杨醛是一种天然香料的中间体,可通过下列方法合成。①NaOH溶液CH3OH-→CHClOHH3oC3HO2水杨醛(1)A→B的反应类型为(2)B中官能团的名称为氯原
a CH3OH + b NaOH + c Br2 = d NaBr + f NaCO3 + g H2O Step 2: Create a System of Equations Create an equation for each element (C, H, O, Na, Br) where each term represents the number of atoms of the element in each reactant or product. C: 1a + 0b +...
c = 1 (CH3OH) d = 1 (BrNa) Step 4: Substitute Coefficients and Verify Result Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced.CH3Br + NaOH = CH3OH + BrNa ReactantsProducts...
A、纯碱--NaOH B、甲酸--CH3OH C、明巩KAl(S04)2?12H20 D、重晶石一BaC03 试题答案 在线课程 考点:常见元素的名称、符号、离子符号 专题: 分析:A、纯碱是碳酸钠,又称为苏打; B、甲酸又称蚁酸,含有羧基:-COOH; C、明矾是硫酸铝钾的12个结晶水合物; ...
与醛基相邻的碳原子上的氢原子叫α-H。无α—H的醛在强碱作用下生成酸和醇的反应被称作康尼扎罗反应,如:2HCHO+NaOH→CH3OH+HCOONa。由此
解析 正极反应:3O2 + 6H2O + 12e- = 12OH- 负极反应:2CH3OH + 16OH- - 12e- = 12H2O + 2CO32- 怎么就不守恒了,说说看 --- 请注意加减号,左边是16个减12个等于4个,不是加起来. 分析总结。 请注意加减号左边是16个减12个等于4个不是加起来结果一 题目 ch3oh与o2在naoh中构成...
CH3ONa + H2O → CH3OH + NaOH 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 甲醇钠水 CH3ONa154.02368928 H2O118.01528 产品 甲醇氢氧化钠 CH3OH132.04186 NaOH139.99710928 这个计算器将确定反应的限制试剂。 Instructions To calculate the limiting reagent, enter an equation of a chemical reaction and press...
CH3COONa + CH3OH → CH3COOCH3+ NaOH 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 乙酸钠甲醇 CH3COONa182.03378928 CH3OH132.04186 产品 丙酸氢氧化钠 CH3COOCH3174.07854 NaOH139.99710928 这个计算器将确定反应的限制试剂。 Instructions To calculate the limiting reagent, enter an equation of a chemical r...
化学与生活密切相关.下列生活中常见物质俗名与化学式相对应的是A.纯碱--NaOH B.甲酸--CH3OHC.明巩KAI(S04)2·12H20 D.重晶石一BaC03