A compound of formula weight 320 absorbed 60.0% of the radiation at a certain wavelength in a 1 cm cell at a concentration of 20.0 gg/ml. Calculate its molar absorptivityat the wavelength.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专
百度试题 结果1 题目What is the empirical formula of a compound that contains 27.0% S,13.4% O, and 59.6% Cl by mass? ___ 相关知识点: 试题来源: 解析 SOCl2 反馈 收藏
Define formula weight. formula weight synonyms, formula weight pronunciation, formula weight translation, English dictionary definition of formula weight. n. The sum of the atomic weights of all the atoms in a compound. American Heritage® Dictionary o
a compound of formula (A)选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 复合的公式(一) 翻译结果2复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果3复制译文编辑译文朗读译文返回顶部 一种化合物的公式 (A) 翻译结果4复制译文编辑...
A quantity of 7.85g of a compound having the empirical formula C5H4 is dissolved 301g of benzene.The freezing point of the solution is 1.05℃ below that of pure benzene.What are the molar mass and molecular formula of this compound? 答案 M=127g·mol-1C10H8相关推荐 1A quantity of 7.85...
CHEMICAL FORMULAS AND FORMULA WEIGHT (化学公式和公式的体重).pdf,CHEMICAL FORMULAS AND FORMULA WEIGHT CALCULATIONS 1. THE MEANING OF A CHEMICAL FORMULA A chemical formula is a shorthand method of representing the elements in a compound. The formula show
What is the formula weight for Epsom salt?Formula WeightWhen two or more elements are chemically combined together, we obtain what we call a compound. The chemical formula of a compound is a shorthand notation for portraying the elements present and the number of atoms of each. We can find...
Formula weightdoi:10.1007/978-0-387-30160-0_5163(ca. 1920) (molecular weight) n. Of a chemical compound, the number obtained by summing the atomic weights of all the compound's atoms. The term is not used with polymers, which are always mixtures...Springer New York...
(chemistry) A symbolic expression of the structure of a compound. H2O is the formula for water. Formulation The act or process of creating or devising something. The formulation of a plan took weeks. Formula A plan or method for dealing with a problem or for achieving a result. The compan...
The formula for a compound composed of {eq}Ca^{2+} {/eq} and {eq}PO_4^{3-} {/eq} is: a) {eq}CaPO_4 {/eq} b) {eq}Ca_2(PO_4)_3 {/eq} c) {eq}Ca_3PO_4 {/eq} d) {eq}Ca_3(PO_4)_2 {/eq} Compound: A compound is...