Question

120度,101kpa下,a mL由CO,CH4组成的混合气体在b mL O2中完全燃烧后,恢复到原温度和压强

Answer 1

(1)依题意:a == b

(2)CO----xml

CH4---yml

(3)x + y == a

0.5x + 2y == a

(4)x==2a/3

y==a/3

(5)混合气体中CH4的体积分数为==1/3