N2+3H2=2NH3
n(初):1 2 0
变:x 3x 2x
末:1-x 2-3x 2x
2x/(1-x+2-3x+2x)=20% x=0.25
转化率:
α(N2)=0.25/1=25%
α(H2)=(3×0.25)/2=37.5%
H2%=1/3=33.3%
P1:P2=n1:n2=3:(3-2x)=6:5
N2+3H2=2NH3
n(初):1 2 0
变:x 3x 2x
末:1-x 2-3x 2x
2x/(1-x+2-3x+2x)=20% x=0.25
转化率:
α(N2)=0.25/1=25%
α(H2)=(3×0.25)/2=37.5%
H2%=1/3=33.3%
P1:P2=n1:n2=3:(3-2x)=6:5