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...
Available thermodynamic data for (NH4)2SO4(aq) have been critically evaluated and used to parameterize an extended ion interaction (Pitzer) model. The mode
铝铵矾[NH4Al(SO4)2·12H2O]是一种重要的工业原料,将它溶于水配成溶液,然后逐滴滴入NaOH(aq),已知:NHE+AlO=+H2O===Al(OH)3↓+NH3↑,写出先后发生反应的离子方程式: (1) , (2) , (3)NH3·H2Oa+bNH3↑+H2O, (4) 。 相关知识点: 试题来源: 解析 (1)Al3++3OH-===Al(OH)3↓ (2)...
解答 解:硫酸铵为强电解质,完全电离出氨根离子和硫酸根离子,电离方程式:(NH4)2SO4=2NH4++SO42-;氢氧化钡为强电解质,完全电离出钡离子与硫酸根离子,电离方程式:Ba(OH) 2=Ba2++2OH-;故答案为:(NH4)2SO4=2NH4++SO42-;Ba(OH) 2=Ba2++2OH-. 点评 本题考查了电离方程式的书写,明确电解质强弱是解题...
Calculate the complete and net ionic equations, spectators and precipitates in (NH4)2SO4(aq) + 2NaCl(aq) = 2(NH4)Cl(aq) + Na2SO4(aq)
铝铵矾[NH4Al(SO4)2·12H2O]是一种重要的工业原料,将它溶于水配成溶液,然后逐滴滴入NaOH(aq),已知:NH4++AlO2-+H2O===Al(OH)3↓+NH3↑,写出先后发生反应的离子方程式: ___;NH4++OH-NH3·H2O; NH3·H2ONH3↑+H2O;___。 解析:本题考查氧化还原反应,和离子反应的书写,难点在于理解氧化还原反应的本质...
B、因为铝离子能与氨水反应生成氢氧化铝沉淀,所以向NH4Al(SO4)2溶液中滴加少量的NaOH溶液,铝离子先反应生成氢氧化铝沉淀,故B错误;C、因为碳酸氢钠与氢氧化钠反应生成碳酸钠,所以Na2CO3和NaOH混合溶液通入CO2气体,NaOH先与二氧化碳反应生成碳酸钠溶液,故C正确;D、铁比铜活泼,所以向等浓度的FeCl3溶液加入质量相等且颗粒...
(1)氨水可以脱除烟气中的SO2.氨水脱硫的相关热化学方程式如下:2NH3(g)+H2O(l)+SO2(g)═(NH4)2SO3(aq)△H=akJ•mol-1(NH4)2SO3(aq)+H2O(l)+SO2(g)═2NH4HSO3(aq)△H=bkJ•mol-12(NH4)2SO3(aq)+O2(g)═2(NH4)2SO4(aq)△H=ckJ•mol-1反应NH3(g)+NH4HSO3(aq)+O2(g)═(NH4)...
Answer to: Complete and balance the equation: (NH4)2SO4(aq) + SrCl2(aq) arrow (blank). By signing up, you'll get thousands of step-by-step...
a = 1 ((NH4)2SO4) b = 2 (NaOH) c = 2 (NH3) d = 2 (H2O) f = 1 (Na2SO4) Step 4: Substitute Coefficients and Verify Result Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are cha...