October 2021 0 21 Report
1)S+O2=SO2 2)SO2+H2O=H2SO3
3)H2SO3+2NaOH=Na2SO3+2H2O
4)Na2SO3+2HCl=2NaCl+SO2+H20
Нужно кратко написать опыты этой лабораторной(что делаем, куда льем и т.д.) и наблюдения
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