用氢氧化钡溶液中和硫酸氢铵溶液的化学方程式和离子方程式

2025-03-16 12:27:24
推荐回答(5个)
回答1:

  1. 硫酸氢铵与氧氧化钡反应的话,与两者的物质的量关系非常大
    1。二者物质的量的比是1:1的话,硫酸根与钡离子刚好完全形成沉淀(我写离子方程式吧):
    NH4+ + SO42- + H+ + Ba2+ + 2OH- = BaSO4↓ + H2O + NH3•H2O
    如果浓度大或者加热:
    NH4+ + SO42- + H+ + Ba2+ + 2OH- = BaSO4↓ + H2O + NH3↑+ H2O

    2。硫酸氢铵与氢氧化钡的物质的量比是2:1。硫酸氢铵电离出来的氢离子刚好完全被中和,因为铵根与氢氧根结合得到的一水合氨与水比较,水是更弱的电解质,所以这个过程不产生一水合氨,溶液中有硫酸铵,离子反应只产生水。
    SO42- + 2H+ + Ba2+ + 2OH- =  BaSO4↓+ 2H2O

回答2:

1。二者物质的量的比是1:1的话,硫酸根与钡离子刚好完全形成沉淀(我写离子方程式吧):
NH4+ + SO42- + H+ + Ba2+ + 2OH- = BaSO4↓ + H2O + NH3•H2O
如果浓度大或者加热:
NH4+ + SO42- + H+ + Ba2+ + 2OH- = BaSO4↓ + H2O + NH3↑+ H2O
2。硫酸氢铵与氢氧化钡的物质的量比是2:1。硫酸氢铵电离出来的氢离子刚好完全被中和,因为铵根与氢氧根结合得到的一水合氨与水比较,水是更弱的电解质,所以这个过程不产生一水合氨,溶液中有硫酸铵,离子反应只产生水。
SO42- + 2H+ + Ba2+ + 2OH- = BaSO4↓+ 2H2O
题目中要的是中和反应 那就选最后一条吧。。。

回答3:

Ba(OH)2+NH4HSO4=BaSO4(沉淀符号)+2H2O+NH3(气体符号)

回答4:

Ba2+ +SO42- =BaSO4↓
NH4+ +OH- =NH3.H2O

回答5:

  • Ba2+   +   2OH-    +  2NH4+   +   SO4 2-  ===   BaSO4↓+ 2NH3↑ + 2H2O

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