March 2021 1 47 Report

1)Cu+Pd(NO3)2--->Cu(NO3)2+Pd   2)HCl+MnO2--->Cl+MnCl2+H2O`  3)H2S+KMnO4+H2SO4--->S+MnSO4+H2O....расставьте методом электронного баланса коэффициенты..  помогите   плииз))) 

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