近达员起线快走局响府白众元半发色作运(NH4)2SO4(aq)+ZnCl2(aq),the ion equation is Zn2+ + SO42-=ZnSO4近达员
Answer and Explanation: A nonelectrolyte is a chemical that does NOT dissociate into ions when it is placed in water. Rather than dissociate, the chemical retains its...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can...
If 691.1 g (NH4)2SO4 is reacted with excess NaNO3 and produces 732.3 g NH4NO3, what is the percent yield?Percent Yield:The theoretical yield of products that can be formed for a given chemical synthesis is not often reached. The amount formed in the reac...
a基于硫酸铵((NH4)2SO4)作为为焙烧活化剂时,可以将粉煤灰中惰性的Al转变成活性的易溶出的铝盐,采用焙烧-沥滤工艺从粉煤灰中提取Al2O3。在一定条件下将(NH4)2SO4与粉煤灰混合焙烧,选用H2SO4为活性铝盐的浸出剂,探索焙烧产物中Al的溶出条件。 When based on ammonium sulfate ((NH4)2SO4) achievement for roa...
两道英语题\化学题(求助)化;20世纪20年代,一些化学家提出的酸碱质子理论认为,凡能放出质子(H+)的分子或离子都是酸,凡能结合质子的分子或离子都是碱.那么,下列物质中不属于碱的是( )A.HNO3 B.HCO3- C.NH4+ D.SO4 2-英;But air is important in many other ways which are not
to provide a B/D weight ratio of 0.01-2.0 and 5-20pts.wt. metal-free electrolyte (E) [e.g., (NH4)2SO4] to coagulate the rubber-like polymer.IWANAGA SHINICHIRO岩永 伸一郎MATSUNAGA TATSUAKI松永 龍昭NOBUYO KOJI延与 弘次TAKEMURA YASUHIKO竹村 泰彦...
(1)浓度均为0.1mol/L的8种溶液:①HNO3 ②H2SO4 ③CH3COOH ④Ba(OH)2 ⑤NaOH ⑥CH3COONa ⑦KCl ⑧NH4Cl,溶液pH值由小到大的顺序是:(填写编号)___.(2)氯化铝水溶液呈___性,原因是(用离子方程式表示):___.把AlCl3溶液蒸干,灼烧,最后得到的主要固体产物是___.(3)在①pH=3的硫酸溶液和②pH=3的...
to provide a B/D weight ratio of 0.01-2.0 and 5-20pts.wt. metal-free electrolyte (E) [e.g., (NH4)2SO4] to coagulate the rubber-like polymer.MATSUNAGA TATSUAKINOBUYO KOJIIWANAGA SHINICHIROTAKEMURA YASUHIKO
a. HNO2 and NaNO2 b. HCN and NaCN c. HClO4 and NaClO4 d. NH3 and (NH4)2SO4 e. NH3 and NH4BrNitrous acid, HNO_2, has a K_a of 7.1 times 10^{-4} .What are [H_3O^+], [NO_2^-], and [OH^-] in 0.920 M HNO_2?
(2015春•金华校级月考)下列各溶液中分别加入Na2O2后,既有无色气体又有白色沉淀产生的是( ) A. (NH4)2SO4溶液 B. MgCl2溶液 C. NaHC