Grams of H2 react with 28.0 grams of N2

[Chuck Norris]

Homework Statement

how many grams of H2 are needed to react with 28.0 grams of N2?

Homework Equations

The Attempt at a Solution

I believe the answer to be 14 grams or 6 grams. I keep going back and forth between the 2. Any help would be greatly appreciated, thanks!

 

[Bohrok]

Show your work so we can see where you're having trouble.