September 2021 0 13 Report
Помогите,пожалуйста!Нужно уравнять методом эл.баланса В+HClO3+H2O=H3BO3+HCl
NaOH+Br2=NaBrO3+NaBr+H2O
NNO3+Fe(OH)2=Fe(NO3)3+NO+H2O
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