K2Cr2O7+4H2SO4+3CH3CH2OH +19H2O =3CH3CHO +2KCr(SO4)2·12H2O +2H2O. Enter the amount of any of the substances to determine the ideal amounts to maximize the theoretical yield of the reaction. To find the limiting and excess reagents when a non...
复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 重铬酸钾 硫酸 乙醇 水 K2Cr2O7 1 294.1846 H2SO4 4 98.07848 CH3CH2OH 3 46.06844 H2O 19 18.01528 产品 乙醛 Chromic Potassium Sulfate Dodecahydrate 水 CH3CHO 3 44.05256 KCr(SO4)2·12H2O 2 499.40296...
To perform a stoichiometric calculation, enter an equation of a chemical reaction and press the Start button. The reactants and products, along with their coefficients will appear above. Enter any known value. The remaining values will automatically be calculated. 元素中...
硫酸钾?方程式:H2SO4+K2Cr2O7===>2CrO3+H2O+K2SO4英语. 1.Last Sunday,John keeped on calling his parents when we've been together. 2.With the development of the science,new technology brings a lot of changes to our daliy life. 3.We are hard to imagine that how difficult the little ...
例子:Fe, Au, Co, Br, C, O, N, F。 离子电荷尚未得到支持,将被忽略。 替换不可改变的组以避免歧义。例如,C6H5C2H5 + O2 = C6H5OH + CO2 + H2O不能被平衡,但XC2H5 + O2 = XOH + CO2 + H2O可以。 不需要复合状态[如(s)(aq)或(g)]。 你可...
_÷CO2 + H2O ( 3) Cr2O7 一+ 14H + 6e 一---~2Cr + 7H20 (4 ) 曾有报 道将 此类光催化剂 -氧化 剂组成的协同体系 ( TiO 一K2Cr O 、TiO 一KMnO 、TiO:一Ce ( SO ) : ) 用于葡 萄糖 溶液 或者 Potassium Hydrogen Phthalate ( KHP) 溶液 COD 的测定 ,辅 以仪器 分析 ...
复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 乙醇 重铬酸钾 硫酸 水 CH3CH2OH 3 46.06844 K2Cr2O7 1 294.1846 H2SO4 4 98.07848 H2O 17 18.01528 产品 乙醛 Chromic Potassium Sulfate Dodecahydrate CH3CHO 3 44.05256 KCr(SO4)2·12H2O 2 499.40296 ...
复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 重铬酸钾 硫酸 乙醇 水 K2Cr2O7 1 294.1846 H2SO4 4 98.07848 CH3CH2OH 3 46.06844 H2O 17 18.01528 产品 Chromic Potassium Sulfate Dodecahydrate 乙醛 KCr(SO4)2·12H2O 2 499.40296 CH3COH 3 44.05256 ...
2K2Cr2O7 + 2H2SO4 + 3C2H5OH = 2Cr2O3 + 2K2SO4 + 3CH3COOH + 5H2O. Enter the amount of any of the substances to determine the ideal amounts to maximize the theoretical yield of the reaction. To find the limiting and excess reagents when a ...
Balance the reaction of AsH3 + K2Cr2O7 + H2SO4 = H3AsO4 + Cr2(SO4) + K2SO4 + H2O using this chemical equation balancer!