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cas号查询致力于为化学行业用户免费提供c4h7o2br的cas号、中文名称、英文名称相互转换服务,同时也包括c4h7o2br的性质、化学式、分子结构、密度、熔点、沸点等信息。

逐步计算摩尔质量; 首先，计算 c 4 h 7 o 2 br 中每个原子的数量： c: 4, h: 7, o: 2, br: 1. 然后，查找元素周期表中每个元素的原子量： c: 12.0107, h: 1.00794, o: 15.9994, br: 79.904 现在，计算原子数与原子量的乘积之和：

There are 4 easy steps to find the molar mass of C4H7O2Br based on its chemical formula. 1. Count The Number of Each Atom. The first step to finding the molar mass of Ethyl Bromoacetate is to count the number of each atom present in a single molecule using the chemical formula, C4H7O2Br: 2. Find Atomic Mass of Each Element.

5-amino-2,3-dihydro-1H-isoindol-1-one. Acetic-1-13C acid,2-bromo-, ethyl ester (9CI)

To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use: Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. parenthesis () or brackets []. Common compound names.

The following compound is carboxylic acid that contain a bromine , with the formula C4H7O2Br. The peak at 10.97ppm was moved onto the chart (which runs only from 0-8 ppm) for clarity.Give its structure and assign the chemical shift values

2012年8月14日 · 反应方程式：C4H7O2Br+NaOH==C4H7O2OH+NaBr 这是一类取代，属于强碱和卤代烃取代反应，生成醇和卤化物 若有问题，欢迎追问

2014年10月9日 · a、b两种有机物均是有机合成的中间体，其中a的分子式为c4h7o2br，b分子中含2个氧原子，其燃烧产物n（co2c、d都能转化成e，说明c、d含有的碳原子数相等，都含有2个碳原子，c能与新制备氢氧化铜反应，c为ch3cho，e为ch

分子式为c4h7o2br的有机物能与碳酸氢钠溶液反应产生气体，该有机物的结构可能有（ ）a．3种b．4种c．5丁酸有2种：ch3ch2ch2cooh、（ch3）2chcooh，分子式为c4h7o2br的有机物能与碳酸氢钠溶液反应产生气体，说明含