Sr(NO3)2(aq)→ Sr2+(aq)+2NO3-(aq) Na2CO3(aq)→2Na+(aq)+ CO32-(aq) 2NaNO3(aq)→2Na+(aq)+2NO3-(aq) Sr2+(aq)+2NO3-(aq)+2Na+(aq)+ CO32-(aq)= SrCO3(s)+2Na+(aq)+2NO3-(aq) Spectator Ions Spectator ions are ions that do not take part in the reaction. They are rem...
Na2CO3(aq)→2Na+(aq)+ CO32-(aq) Sr(NO3)2(aq)→ Sr2+(aq)+2NO3-(aq) 2NaNO3(aq)→2Na+(aq)+2NO3-(aq) 2Na+(aq)+ CO32-(aq)+ Sr2+(aq)+2NO3-(aq)=2Na+(aq)+2NO3-(aq)+ SrCO3(s) Spectator Ions Spectator ions are ions that do not take part in the reaction. They are ...
高纯硝酸锶[Sr(NO3)2]用于制造电视显像管、光学玻璃,也用于医药等。I.工业硝酸锶中常含有硝酸钙、硝酸钡等杂质(硝酸钙可溶于浓硝酸,而硝酸锶、硝酸钡不溶于浓硝酸)。
高纯硝酸锶[化学式:Sr(NO3)2]用于制造信号灯.光学玻璃等.⑴工业级硝酸锶中常含有硝酸钙.硝酸钡等杂质.其中硝酸钙可溶于浓硝酸.而硝酸锶.硝酸钡不溶于浓硝酸.请结合相关信息.补充完整提纯硝酸锶的下列实验步骤:①取含杂质的硝酸锶样品. .搅拌.② .③将滤渣溶于水中.加略过
3.高纯硝酸锶[Sr(NO3)2]用于制造电视显像管、光学玻璃,也用于医药等。Ⅰ.工业硝酸锶中常含有硝酸钙、硝酸钡等杂质(硝酸钙可溶于浓硝酸,而硝酸锶、硝酸钡不溶于浓硝酸)。提纯硝酸锶的实验步骤如下:①取含杂质的硝酸锶样品, ,搅拌,过滤,并用浓硝酸洗涤滤渣。 ②将滤渣溶于水中,加略过量(NH4)2Cr2O7(重铬酸...
NaCl + Sr(NO3)2 = NaNO3 + SrCl2 is a Double Displacement (Metathesis) reaction where two moles of aqueous Sodium Chloride [NaCl] and one mole of aqueous Strontium Nitrate [Sr(NO3)2] react to form two moles of aqueous Sodium Nitrate [NaNO3] and one mole of aqueous Strontium ...
NO3- Na+ OH- Net Ionic Equation The balanced net ionic equation includes only species that are involved in the reaction. It can be found by removing ions that occur on both the reactant and product side of the complete ionic equation. ...
SrSO4 + CO32- === SrCO3 + SO42- SrCO3 + 2HCl (aq) === SrCl2 + H2CO3 (7) BaSO4(s) + 4C (s) === BaS (s) + 4CO (g) BaS (s) + Na2CO3 === BaCO3 + Na2S BaCO3 + 2HNO3 === Ba(NO3)2 + H2O + CO2↑反馈 收藏 ...
下列离子方程式改写成化学方程式正确的是( ) A、Cu2++2OH-=Cu(OH)2↓ CuCO3+2NaOH=Cu(OH)2↓+Na2CO3 B、CO32-+2H+=CO2↑+H2O BaCO3+2HCl=BaCl2+CO2↑+H2O C、Ca2++CO32-=CaCO3↓ Ca(NO3)2+NaCO3=CaCO3↓+NaNO3 D、H++OH-=H2O Ba(OH)2+2HNO3=Ba(NO3)2+2H2O...
故答案为:SrSO_4+2NH_4HCO_3SrCO_3+(NH_4)_2SO_4+H_2O+CO_2↑ ;(4)粗SrCO_3焙烧分解转化成氧化锶和二氧化碳,氧化锶与水反应生成易溶于水的氢氧化锶,难溶的SiO_2和BaSO_4进入浸渣中;浸液中含有Sr(OH)_2,由于金属性:Sr Ca.故碱性:Sr(OH)_2 Ca(OH)_2,故答案为:SiO_2、BaSO_4; ;(5...