December 2018 2 6 Report
Jakie wzory sumaryczne z podanych trzeba wpisać pod 1 2 3 4 5 .
Cr --kwas utleniający --> Cr3+ ---1-> Cr(OH)3 ---2-> [Cr(OH)6]3- ---3-> CrO4 2- --4-->Cr2O7 2- ------5--> Cr3+
*HCL
*H2SO4(STĘŻ)
*NaOH
*H2O2
*NaNO3
*NaNO2
*NaCl



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