Помогите плиз, даю 40 баллов
Допишите уравнения химических реакций, назовите все сложные вещества:
Al + H2SO4 =
Na2O + H3PO4 =
Fe2O3 + HCl =
MgO + HNO3 =
K2CO3 + HCL =
Na2SO3 + H2SO4 =
K2SiO3 + HCl =
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