Mr(KMnO4) = 39+ 55 +16*4=158
W(K) = 39/158=0,25 = 25%
W(Mn)=55/158=0.35=35%
W(O)=64/158=0.405=около 40,5%
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Mr(KMnO4) = 39+ 55 +16*4=158
W(K) = 39/158=0,25 = 25%
W(Mn)=55/158=0.35=35%
W(O)=64/158=0.405=около 40,5%