The Empirical Formula represents the simplest whole-number ratio of elements in a compound, while the Molecular Formula indicates the actual number of atoms of each element present.
【简答题】1.What is the empirical formula of the following compounds? a. a liquid containing 2.0g of hydrogen, 32.1g sulfur and 64.0g oxygen. b. a white solid containing 4.0g calcium,3.2g oxygen,0.2g hydrogen. c.a white solid containing 0.243g magnesium and 0.71g chlorine。 2. 3.888g...
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
百度试题 题目 What is the empirical formula of a compound that contains 49.4 % K, 20.3 % S, and 30.3 % O by mass? A.KSO3B.K2SO3C.KSO4D.KSO2E.K2SO4 相关知识点: 试题来源: 解析 B 反馈 收藏
What is the difference between the empirical and molecular formula of a compound?Can they ever be the same?Explain.相关知识点: 试题来源: 解析 (1)分子式是用元素符号表示物质(单质、化合物)分子的组成及分子量的化学式. 而 (2)最简式又叫实验式,它仅能表示化合物组成中各元素原子数目的比例.通常是...
What is the empirical formula of a compound that contains 49.4 % K, 20.3 % S, and 30.3 % O by mass? A.KSO2 B.KSO3 C.K2SO4 D.K2SO3 E.KSO4 点击查看答案 你可能感兴趣的试题 突出煤层采煤工作面进风巷、掘进工作面进风的分风口必须设置();当发生风流逆转时,发出声光报警信号。 点击查看...
What is the empirical formula of a compound that is .8% C, 13.6% H, and 21.6% O by mass? A. C 4 HO 1 B. C 5 HO 2 C. C 8 H 20 O 2 D. C 5 H 14 O 1 E. C 4 H 10 O 1 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 ...
What is the empirical formula of butane?Use of Empirical Formulas:Sometimes, chemists need to understand the ratio between the atoms of each element in a molecule rather than the full number of atoms or how they are structured. In this case, they use empirical formulas to find this ratio. ...
The empirical formula of a compound indicates the ratio (the simplest positive integers) of atoms that are present in the compound. For example, the empirical formula of carbon dioxide is written as CO2.Answer and Explanation: Given that a compound has 48.6% C, 8.2% ...
What is the empirical formula for adrenaline? Empirical Formulas: Empirical formulas give the ratio of different elements within a molecule, unlike molecular formulas they do not give the exact number of atoms of each element. Empirical formulas can be found for any compound as they do not requir...