September 2021 0 17 Report
Рассчитать молярную массу следующих соединений: O2, FeS, CO2, H3PO4, Na2CO3, Fe(NO3)2. Расставьте коэффициенты и определите тип реакции уравнений: AlCl3 + NaOH = NaCl + Al(OH)3; Fe(OH)3 = Fe2O3 + H2O; H2SO4 + Al =Al2(SO4)3 + H2; P2O5 + Na2O=Na3PO4
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