高中化学, 硫酸铁溶液和氢氧化钡溶液反应离子方程式,这为啥错呢?

2025-03-15 06:44:58
推荐回答(4个)
回答1:

硫酸铁溶液中加入氢氧化钡溶液的离子反应为2Fe 3+ +6OH - +3Ba 2+ +3SO 4 2- =3BaSO 4 ↓+2Fe(OH) 3 ↓

硫酸亚铁溶液与氢氧化钡溶液反应,是按照2:3的比例反应的而不是1:1。

硫酸铁与氢氧化钡反应:离子方程式:Fe3++SO42-+Ba2++3OH-=BaSO4↓+Fe(OH)3↓

确实是全部沉淀。因为可溶的物质会渗透出来继续反应。氢氧化铁和硫酸钡都是疏松的沉淀。

扩展资料:

硫酸铁中铁元素的化合价为+3价,水溶液呈红褐色。

注意:离子化合价决定其水溶液的颜色,+3价铁离子化合物的水溶液呈黄褐色,+2价的铁离子化合物的水溶液呈浅绿色(如硫酸亚铁)。另外,+2价铜离子化合物的水溶液呈蓝色(如硫酸铜、氯化铜),+6价锰离子的化合物如锰酸钾水溶液呈绿色,+7价锰离子的化合物水溶液则为紫色(如高锰酸钾),因此,同种物质化合价的不同其溶液的颜色也不尽相同。

参考资料来源:百度百科-硫酸铁

回答2:

硫酸铁溶液中加入氢氧化钡溶液的离子反应为2Fe 3+ +6OH - +3Ba 2+ +3SO 4 2- =BaSO 4 ↓+Fe(OH) 3 ↓

回答3:

回答4:

Fe2(SO4)3完全反应铁离子与硫酸根离子2:3反应

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