решите уравнения. ( цифры в тексте,это индексы!)

NaOH+FeCl3 -->

Fe+HCL -->

Fe(OH)3 + H2SO4 -->

NaOH + HCL -->

NaOH + FeCl3 -->

CaCO3 + H2SO4 -->

Fe2O3 + H2so4 -->

Fe(OH)3 + H2SO4 -->

CuSO4 + NaOH -->

Cu(OH)2 + HCL -->

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