How do you find the empirical formula from the molecular formula? Given that the molecular mass of a compound is 360 g/mol, and that it has an empirical formula of CH2O, what is its' molecular formula? What is the empirical formula of C4H8?
【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
2.21x10-4•C=1.00Multiplyeachby3=3.00=3.0•H=1.32=3.96=4.0•O=1.00=3.00=3.0C3H4O3VitaminCEmpiricalv.MolecularFormulaCompoundEFMFn_formaldehydeCH2OCH2O1aceticacidCH2OC2H4O22glucoseCH2OC6H12O66All3compoundsare:40.00%C(bymass)6.714%H53.27%Onx(empiricalformula)=molecularformulaHowismolecularformula...
What is the empirical formula of ferrocene? What is the empirical formula of urea? A compound has the molecular formula C4H8F4. What is its empirical formula? What is the empirical formula of ethylene glycol? What is the empirical formula of butane?
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 an Empirical Formula? Learn the method to find the empirical formula with examples. Understand the way to find a molecular formula from an empirical formula. Understand how to find the empirical formula given the percent of mass composition of a molecule. ...
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...