`N_(2) + 3 H_(2) rarr 2NH_(3)`
Molecular weight of `NH_(3)` and `N_(2)` are `x_(1)` and `x_(2)`, respectively. Their equivalent weights are `y_(1)` and `y_(2)`, respectively. Then `(y_(1) - y_(2))`
A. `((*2x_(1)-x_(2))/(6))`
B. `(x_(1)-x_(2))`
C. `(3x_(1)-x_(2))`
D. `(x_(1)-3x_(2))`
