【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...
The empirical formula of a compound containing carbon, hydrogen, and chlorine is C2HCl. The molar mass of this compound is 120.98 g/mol. What is its molecular formula? What is the empirical formula for a compound containing 88.8% copper and 11.2% oxygen?
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...
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 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 a compound that contains 49.4 % K, 20.3 % S, and 30.3 % O by mass?A.KSO3B.K2SO3C.KSO4D.KSO2E.K2SO4的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线
What would the empirical formula be for the molecular compound C6H9O4? What is the empirical formula of an oxide of nitrogen that contains 63.64% nitrogen by mass? A compound was found to contain copper and chlorine. The mass of the compound was 351 mg. The amount of copper in the sampl...
What is the empirical formula of a compound that contains 49.4 % K, 20.3 % S, and 30.3 % O by mass?
What is the empirical formula of silver oxide? Empirical Formulas: Chemists use empirical formulas to find simple ratios between the different elements in a molecule. When they need to find out the mass percent composition, how much of the total mass is contributed by each element in the molecu...
Cyclopentene is a chemical compound with the formula (CH₂)₃(CH)₂. It is a colorless liquid with a petrol-like odor. It is one of the cycloalkenes. Cyclopentene is produced industrially in large amounts by steam cracking of naphtha. It has few applications, and thus is mainly used...