Question

Нужна помощь .,.,. .,.,.,.,.,..,.

Answer 1

C4H10 + O2 -> 2CH3COOH + H2O
n(CH3COOH) = 2*0,2 = 0,4 (моль)
m(CH3COOH) = 0,4 * 60 = 24 (г)
m(H2O) = 12 * 18 = 216 (г)
w(CH3COOH) = 24 / (216 + 24) * 100% = 10%