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Determinați coeficientii:
CuSo4+NaOH--->Cu(OH)2+Na2So4
Ca+H2O---->Ca(OH)2+H2
Fe+Al2O3----->Fe2O3+Al



Determinați CoeficientiiCuSo4NaOHgtCuOH2Na2So4CaH2OgtCaOH2H2FeAl2O3gtFe2O3Al class=