Question

现有标况下的CH4和C2H6的混合气体4.6g,4.48L

Answer 1

设CH4、C2H6的物质的量分别为x、y

16g/mol × x + 30g/mol × y= 4.6g

（x + y）× 22.4L/mol=4.48L

解得：

x=0.1mol

y=0.1mol

1、CH4的质量=0.1mol× 16g/mol =1.6g

2、标况下C2H6的体积=0.1mol× 22.4L/mol=2.24L