n1 moli C4H10 ⇒ CH2=CH-CH=CH2 +2 H2
n2 moli C4H10 ⇒ butene + H2
n3 moli C4H10 netransformat
58(n1 + n2 + n3) = 580 n1 + n2 + n3 = 10 kmoli
2n1 + n2 = 291,2/22,4 = 13kmoli 2n1 +n2 = 13
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amestec final : n = 3n1 + 2n2 + n3 = 23 kmoli V = 515,2m³