Answer:
Explanation:
Note
I'm using rounded numbers. Every periodic table is different. Use yours to correct my approximations.
1 mole of NH3
N = 14
H = 1
3 H = 3
==========
1 mole = 17 grams
Number of moles in 25 grams
moles = given mass / molar mass
moles = ???
given mass = 25 grams
molar mass = 17 grams
n = 25/17
n = 1.47 moles
