中文:水的化学式是H2O,表示每个水分子由两个氢原子和一个氧原子组成,1摩尔水的质量约为18克。 英文:The chemical formula of water is H2O, indicating that each water molecule is composed of two hydrogen atoms and one oxygen atom, and the mass of 1 mole of water is approximately 18 grams. 中...
J. Mass Spectrom.编委《高等学校化学学报》、《分析测试学报》、《分析实验室》、《中国化学快报》等青年编委 科研获得荣誉 2021.12 中国分析测试协会科学技术奖(CAIA)一等奖(1完成人) 中国分析测试协会 2015.01 国家自然科学基金优秀青年基金 国家自然科学基金委 2015.02 教育部自然科学一等奖(4完成人) 教育部 2012.12...
B. 0.776 mol H2O C. 1.45 mol H2O D. 5.60 mol H2O Moles: Any particular substance's moles can be computed if we know the substance's mass and its molar mass. Mass must be available in grams, and the molar mass of the substance mu...
Yongchen.Permeability estimation of porous media by using an improved capillary bundle model based on micro[J],HEAT AND MASS TRANSFER,2017,53(1):49-58 Zhang, Yi,Chi, Yuan,Xing, Wanli,Liu, Shuyang,Song, Yongchen.Competitive adsorption/desorption of CH4/CO2/N-2 mixture on anthracite from Chi...
高中化学一题,要步骤O(∩_∩)O谢谢C2H6O+3O2→2CO2+3H2O求水的质量(mass)当4mol C2H6O和9mol O2起化学反应,谢谢 答案 乙醇和氧气1:3反应 现在4:9氧气用完 乙醇有余有氧气算氧气:水=1:1所以有9mol水 9*18=162相关推荐 1高中化学一题,要步骤O(∩_∩)O谢谢C2H6O+3O2→2CO2+3H2O求水的质量...
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure,...
(The molar mass of NaOCl = 74.44 g/mol and the molar mass of H2O is 18.02 g/mol.) How many moles are present in a 4.25 m aqueous solution prepared with 400 g of water? A solution is made by adding 35.6g of sodium carbonate (NaCO3) into 200.0g of water. What is the m...
Fe2+SO4·H2O的摩尔质量和分子量为{1,数字}。 由Szomolnokite - Fe2+SO4·H2O组成 元素标志原子质量原子#质量百分比 鐵 Fe 55.845 g/mol 1 32.8651% Electron e -0.0011 g/mol -2 -0.0006% 硫 S 32.065 g/mol 1 18.8704% 氧 O 79.997 g/mol 5 47.0787% 氫 H 2.0159 g/mol 2 1.1864% Szomol...
Szomolnokite 元素 质量百分比氧79.997g氧79.997g鐵55.845g鐵55.845g硫32.065g硫32.065g氫2.0159g氫2.0159gFe{2+}SO4*H2O 原子#氧5氧5氫2氫2鐵1鐵1硫1硫1 指令 这个程序决定一种物质的分子量。输入物质的分子式,它将计算出元素的组合物和质量的化合物中的每个元素的总质量。
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure,...