相对原子质量 relative atomic mass(abbr. Ar) 相对分子质量 relative molecular mass (abbr. Mr) 化学式量 relative formula mass 物质的量 amount of substance 阿伏加德罗常数 Avogadro constant (abbr. NA) 摩尔mole 摩尔质量 molar mass 实验式/最简式/经验式 empirical formula 气体摩尔体积 molar volume 阿伏...
A2 The table shows some information about three gases.name of gas formula relative molecular mass chlorine C71ammonia NH17HCI36.5(a) Complete the table by filling in the boxes.3(b) A student heated some solid ammonium chloride, NH.C/, in a test-tube. Ammoni a and one other gas were ...
百度试题 结果1 题目9 The empirical formula of compound X is CH2 and the relative molecular mass, M, of X is 70.What is the molecular formula of X?C A CH2 B C2H4 C C5H10 D CnH2n 相关知识点: 试题来源: 解析 C 反馈 收藏
To be able to identify the relative atomic mass of atoms To be able to calculate the relative formula mass KS4 CHEMISTRY AQA Tes paid licenceHow can I reuse this? Reviews This resource hasn't been reviewed yet To ensure quality for our reviews, only customers who have purchased this resourc...
a mass— 质量块 · 堆 查看更多用例•查看其他译文 使用DeepL翻译器,即刻翻译文本和文档 随打随译 世界领先的质量 拖放文件 立刻翻译 ▾ 外部资源(未审查的) andrelative molecular massyperform calculations related to formula massesandrelative molecular massesofcompounds ...
网络释义 1. 相对式量 SATII化学词汇表 ... ... redox reaction 氧化还原反应relative formula mass相对式量relative isotopic mass 相对同位素质量 ... www.24en.com|基于51个网页
"Formula mass" is the short form of "relative formula mass". Actually the o terms are identical. No matter whether "formula mass" or "relative formula mass" is calculated all of the method steps and wer are the same.唔系应该 formula mass = mass number + mass number +... ...
AverageMass?15kg15kg 5kg 15kg CalculatingRelativeAtomicMasses •Amachinecalledamassspectrometercanquicklydeterminewhichisotopesarepresentandtherelativequantityofeach.•Wecanthensimplycalculateaweightedaverage(link)fromtheresults.•Beforewetackleafewofthoselet’scalculatesomeweightedaveragesofbiggerthings!Whatisthe...
5. Compound K has a relative molecular mass of 124. A 200 cm3 of another sample contains 248 g of K.(a) Calculate the concentration of K in g/dm3.concentration =... g/dm3 [1](b)Calculate the concentration of K in mol/dm3.concentration =... mol/dm3 [1](c)Reacting K with...
If the molecular weight of a solute is not clearly defined, formality may be used to express concentration. A formal solution contains one formula gram-weight of solute per litre of solution. If the formula gram-weight and molecular gram-weight are the same, molarity and formality are the ...