M1和M2分子中X、Y元素的质量分数如下表所示,若已知M1的实验式为XY3,则M2的实验式为( )
|
w(X) |
w(Y) |
M1 |
80% |
20% |
M2 |
75% |
25% |
A.XY4 B.X3Y
C.X2Y2 D.XY2
M1和M2分子中X、Y元素的质量分数如下表所示,若已知M1的实验式为XY3,则M2的实验式为( )
|
w(X) |
w(Y) |
M1 |
80% |
20% |
M2 |
75% |
25% |
A.XY4 B.X3Y
C.X2Y2 D.XY2