Respuesta :

olisahgreat

Answer:

2.5 mole

Explanation:

Molar mass of NH3 = (14 × 1) + (1 × 3) = 17g

If 3 moles of Hydrogen are in 17g of NH3

x moles of Hydrogen are in 14g of NH3

x = (14 × 3)/17

x = 2.47 mol

x ≈ 2.5 mol

lilamayjunebug18
Hello!
The answer would be the last one (2.5)
Hope this helps