The oxidation of ammonia takes place as,
`4NH_(2)(g)rarr3O_(2)(g)rarr2N_(2)(g)+6H_(2)O(g)` If the rate of formation of `N_(2) "is" 0.7 M//s`, detemine the rate at which `NH_(3)` is consumed.
A. `1.4 "mol" L^(-1)s^(-1)`
B. `0.7 "mol" L^(-1)s^(-1)`
C. `1.5 "mol" L^(-1)s^(-1)`
D. none of these