2Fe+6HC1=2FeC13+3H2↑ 和 2NaOH + H2SO4=Na2SO4 +2H2O哪个化学式正确呀?
H2SO4+2NAOH=NA2SO4+H2O
已知 H2SO4+2NaOH=Na2SO4+2H2O(Na2SO4中性,NaOH碱性)若稀H2SO4和NaOH溶液质量和
2NaOH+H2SO4==Na2SO4+H2O H2SO4 +2NaOH==Na2SO4+H2O H2SO4 +2NaO
H2SO4+2NAOH=NA2SO4+H2O 如何看出反应了
2NaOH+SO2=Na2SO3+ H2O ;2NaOH+SO3=Na2SO4+ H2O ;FeCl3+3NaOH=Fe
1.NaOH+CuSO4=Cu(OH)2↓+Na2SO4 2.Fe2O3+H2=高温Fe+H2O 3.Fe2O3+CO=
反应HCl+KOH=KCl+H2O和H2SO4+2NaOH=Na2SO4+2H2O的离子方程式相同吗?
2Al+2NaOH+2H2O=2NaAlO2+3H2↑和2Al+2NaOH+6H2O=2NaAlO2+3H2↑+4H2O
问一下H2SO4+2NaOH=Na2SO4+2H2O用英文来说~
2NaOH+SO3=Na2SO4+H2O中Na2SO4沉淀吗
FeSO4+2NaOH+Fe(OH)2↓+Na2SO4 4Fe(OH)2+O2+2H2O=4Fe(OH)3 ↓ 两个的离
CUSO4+4NaOH+2HCHO =CU↓+Na2SO4+2HCOONa+2H2O+H2↑ 这些是什么成分?