28 g of `N_(2)` and 6 g of `H_(2)` were mixed. At equilibrium 17 g `NH_(3)` was produced. The weight of `N_(2)` and `H_(2)` at equilibrium are respectively

Options

A. 11 g, 0 g
B. 1 g, 3 g
C. 14 g, 3 g
D. 11 g, 3 g

Answer

C

Explanation

`{:(,N_(2),+,3H_(2),rarr,2NH_(3)),(t=0,,,,,),(Initial,(28)/(28),,(6)/(2),,0),(,1,,3,,0),(,"mole",,"mole",,"mole"),("At equilibrium",,,,,),(t=?,1-x,,3-3x,,2x),(,2x=(17)/(17),,2x=1,,x=1//2),("Final",1//2,,3//2,,1),("mole",,,,,),("weight"-14g,,3g,,,):}`