Ответ:
2Pb + O2 = 2PbO
K + 2S = K2S
2H2O = 2H2 + O2 FeCl3 + 3NaNO3 → Fe(NO3)3 + 3NaCl
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Ответ:
2Pb + O2 = 2PbO
K + 2S = K2S
2H2O = 2H2 + O2 FeCl3 + 3NaNO3 → Fe(NO3)3 + 3NaCl