n1 moli H3C-CH=CH-CH3 + 4[O] ⇒2 H3C-COOH
n1' moli 2KMnO4 + 3H2SO4 ⇒ K2SO4 + 2MnSO4 + 3H2O + 5[O]
n1/n1' = 5/8 n1' = 8n1/5 = 8·4/5 = 6,4 moli KMnO4
Vs = n/cM = 6,4/0,1 = 64 l
n acid = 2·n butena = 8 moli m = 8·60 = 480g = md
ms = 480+ 600 = 1080g c = 480·100/1080 = 44,44%