Solving a chemistry problem
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5. Write the reaction equation and select the coefficients using the electron-ion method:
K2Cr2O7 H2O H2SO4→Cr2(SO4)3 …; Na2SeO3 Cl2 NaOH→; FeSO4 NaClO NaOH H2O→Fe(OH)3 …
K2Cr2O7 H2O H2SO4→Cr2(SO4)3 …; Na2SeO3 Cl2 NaOH→; FeSO4 NaClO NaOH H2O→Fe(OH)3 …
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