1.CuO+H2SO4 -
2.Al2O3+Hl -
3.MgO+HNO3 -
4.FeO3+H2SO4 -
помогите пожалуйста
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1.CuO+H2SO4 -
2.Al2O3+Hl -
3.MgO+HNO3 -
4.FeO3+H2SO4 -
помогите пожалуйста
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Answers & Comments
H2SO4+CuO=CuSO4+Н2О
Al2O3+6Hl =2AlI3+3H2O
MgO+2HNO3=Mg(NO3)2+ Н2О
2FeO3+3H2SO4=Fe2(SO4)3+3H2O
1.CuO+H2SO4->CuSO4+H2O
2.Al2O3+6HJ->2AlJ3+3H2O
3.MgO+2HNO3->Mg(NO3)2+H2O
4.Fe2O3+3H2SO4->Fe2(SO4)3+3H2O