Решение:
S->SO2->H2SO3->Na2SO3->MgSO3
S+O2 = SO2 SO2 + H2O = H2SO3 H2SO3 + 2NaOH = Na2SO3 +2H2O Na2SO3 + MgCl = 2NaCl + MgSO3
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Решение:
S->SO2->H2SO3->Na2SO3->MgSO3
S+O2 = SO2
SO2 + H2O = H2SO3
H2SO3 + 2NaOH = Na2SO3 +2H2O
Na2SO3 + MgCl = 2NaCl + MgSO3