расставьте коэффициенты в след. уравнениях химических реакций:

N2+H2–>NH3
MnO2+H2–>Mn+H2O
Al+Cl2–>AlCl3
CaO+P2O5–>Ca3(PO4)2
KOH+H2SO4–>K2SO4+H2O
ZnS+O2–>ZnO+SO2​
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