Ответ:
дано
V(C2H4) = 280 L
m(пр CH3COH) = 330 g
-----------------------
w(CH3COH) - ?
2C2H4+O2-->2CH3COH
n(C2H4) = V(C2H4) / Vm = 280 / 22.4 = 12.5 mol
2n(C2H4) = 2n(CH3COH)
n(CH3COH) = 12.5 mol
M(CH3COH) = 44 g/mol
m( теорCH3COH) = n*M = 12.5 * 44= 550 гр
W(CH3COH) = m( прCH3COH) / m( теорCH3COH) * 100% = 330 / 550 * 100% = 60%
ответ 60 %
Объяснение:
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Ответ:
дано
V(C2H4) = 280 L
m(пр CH3COH) = 330 g
-----------------------
w(CH3COH) - ?
2C2H4+O2-->2CH3COH
n(C2H4) = V(C2H4) / Vm = 280 / 22.4 = 12.5 mol
2n(C2H4) = 2n(CH3COH)
n(CH3COH) = 12.5 mol
M(CH3COH) = 44 g/mol
m( теорCH3COH) = n*M = 12.5 * 44= 550 гр
W(CH3COH) = m( прCH3COH) / m( теорCH3COH) * 100% = 330 / 550 * 100% = 60%
ответ 60 %
Объяснение: