Calculate the complete and net ionic equations, spectators and precipitates in Fe(NO3)3(aq) + 3NaOH(aq) = Fe(OH)3(s) + 3NaNO3(aq)
Balance Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4NO3 Using the Algebraic Method To balance the equation Fe(NO3)3 + NH3 + H2O = Fe(OH)3 + NH4NO3 using the algebraic method step-by-step, you must have experience solving systems of linear equations. Step 1: Label...
Fe(NO3)3、Fe(NO3)2是中学化学实验中常用的试剂。回答下列问题:(1)Fe(NO3)3溶液中存在:Fe3+(aq)+3H2O(l)→Fe(OH)3(s)+3H
Fe(NO3)2(s) = Fe3+ (aq) + 2 NO3(aq) A. Kc [Fe(NO3)2] [Fe3+ I NO3-12 [Fe3+I NO3-12 [Fe(NO3)2] B. К. : = C. Kc = [Fe3+1 NO3-) D.Kc = [Fe3+ ][ NO3-12 QUESTION 2 For the following reactio...
以Fe(NO3)3作为铁源制备高铁酸钾(K2FeO4),可用于去除水体中的As(Ⅲ)。已知:K2FeO4微溶于水。在酸性或中性溶液中迅速氧化H2O产生O2,在碱性溶液中较稳定。在Fe3+和Fe(OH)3催化作用下发生分解。(1)制备高铁酸钾。向KOH和KClO混合溶液中加入Fe(NO3)3,过滤得到K2FeO4固体。①制备K2FeO4的化学方程式为___。②...
现有一浓度为C的Fe(NO3)3水溶液,已知Fe3+(aq)是一pKa=2.20的弱酸。试问:当C为何值时,恰好有Fe(OH)3沉淀析出?
下列形成总反应为2Fe3++Fe=3Fe2+的原电池的是正极为C,负极为Fe,电解质溶液为Fe(NO3)3。 错误 正确 免费查看参考答案及解析 题目: 7、氮在铁液中的溶解度随温度的升高而增大,在α-Fe和δ-Fe中的溶解度随温度的升高而增大,而在γ-Fe中的溶解度比在α-Fe和δ-Fe中的大() 免费查看参考答案及解析 ...
9现有一浓度为c的Fe(NO3)3水溶液,已知3价铁水合离子[Fe3+(aq)]是一个pK=2.20的弱酸。试问当浓度c为何值时,恰好有Fe(OH)3沉淀析出?
For fabricating pure δ-FeOOH, Fe(OH)2 was first precipitated by reacting FeCl2(aq) with NaOH(aq) and then oxidized by an oxidant, such as NaClO(aq) or H2O2(aq). When using NaClO(aq) as the oxidant, with various amounts of NaClO(aq) and NaOH(aq), four phase regions were found,...
Material Polyurethane foam (PUF) Empty tea bag FeSO4 Polyurethane foam (PUF) Empty tea bag (Al(NO3)3) Amount used for one NP-PUF pouch 6 × 6 cm2 1 0.303 g 6 × 6 cm2 1 1 g Rate of material (In Rupee) 675/sq meter 120/250 bags 259/500 g 675/sq ...