Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. Weights of atoms and isotopes are from NIST article. Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound.

The molecular formula C4H8O2 may refer to:

逐步计算摩尔质量; 首先，计算 c 4 h 902 中每个原子的数量： c: 4, h: 902. 然后，查找元素周期表中每个元素的原子量： c: 12.0107, h: 1.00794 现在，计算原子数与原子量的乘积之和：

There are 4 easy steps to find the molar mass of C4H902 based on its chemical formula.

Formula in Hill system is C4H902: Computing molar mass (molar weight) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use: Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.

Synthesis of 3-buten-2-one from 4-hydroxy-2-butanone over anatase-TiO2 catalyst. Aldrich-252557; 4-Hydroxy-2-butanone 0.95; CAS No.: 590-90-9; Synonyms: 2-Hydroxyethyl methyl ketone; Linear Formula: HOCH2CH2COCH3; Empirical Formula: C4H8O2; find related products, papers, technical documents, MSDS & more at Sigma-Aldrich.

Ethyldioxy, 1,1-dimethyl- | C4H9O2 | CID 123190 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

[详解] (1)R的分子式为C4H8O2且为酯类即含有酯基,和C2H5ONa反应后生成A CH-C-CH-C-OC2H,反推可知R为:CH3COOCH2CH3;A到B反应物丙烯酸甲酯的双键被加成,反应类型为加成反应;故答案为:CH3COOCH2CH3;加成反应 (2)F中含氧官能团为羧基和酯基;根据系统命名法可知H的名称为:2-氨基-1,5-戊二醇或-氨基-1,5-戊二醇故答案为:羧基、酯基;2-氨基-

Hợp chất X chứa vòng benzen có công thức phân tử C9H8O2. Biết X làm mất màu dung dịch Br2, tác dụng với NaHCO3. Số đồng phân cấu tạo của X thỏa mãn cá tính chất trên là. A.5. …

CID 101795445 | C4H9O2 | CID 101795445 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.