aC17H21NO4+bH2O =cC17H22NO4++dOH- Step 2: Create a System of Equations Create an equation for each element (C, H, N, O) where each term represents the number of atoms of the element in each reactant or product. C:17a +0b=17c +0dH:21a +2b =22c +1dN:...
Ni + Al + Fe2O3 = Al2O3 + FeNi AlPO4 + SrS = Al2S3 + Sr3(PO4)2 HCCH + H2 = C2H6 C4H6O2 + NaOH = C4H7O3Na BaF2 + H2O = Ba(OH)2 + HF LiCl + Zn = Li + ZnCl2 Cu(NO3)2 + (NH2)2CO = CuO + N2 + CO2 + H2O Al(OH)3 + BaI2 = AlI3 + Ba(OH)2计算...
为测定晶体组成,该同学设计以下实验:准确称取A晶体0.4343g,煮沸溶解后,用氢离子交换树脂(即HR型)充分交换至看不出有Co2+的红色,过滤;用0.1013mol/L的NaOH标准溶液滴定,用去24.07mL。(原子量请用:Co:58.93、H:1.01、C:12.01、O16.00、CI:35.45)求: 4-1 A中Co的质量分数。 4-2 预测A的化学式,画出A的...