August 2022 2 7 Report
Расставьте коэффициенты в следующих схемах реакций:
Al+O2=Al2O3
N2+H2=NH3
Ca+H3PO4=Can3(PO4)2+H2
Ba(OH)2+HCl=BaCl2+H2O
ZnCl2+AgNO3=AgCl+Zn(NO3)2
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