2 Ammonium sulfate, (NH4)2SO4, is widely used as a fertiliser.In order to determine its percentage purity, a sample of ammonium sulfate fertiliser was analysed by reacting a known amount with an excess of NaOH(aq) and then titrating the unreacted NaOH with dilute HCL.(a)Ammonium sulfate re...
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
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...
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...
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...
Although ammonia and acetic acid themselves are weak elctrolytes, a mixture of these two solutions behaved as a strong electrolyte. why? Please write the reaction that occurs when ammonia and acetic Which base has the lowest pKa? a) CH3NH2 b) C2H5NH2 c) C6H5NH2 d) NH3 ...
The Behavior of Substances in Water Part 1: (k) How would you classify the soluble ionic compounds: strong electrolyte, weak electrolyte, or nonelectrolyte? Explain your answer. What kind of salt is NaCN? a. insoluble b. soluble c. sparingly soluble d...