Question

what is mass of 0.5 mole of NH3

Answer 1

mole = wt / Mw
molecular weight of NH3 = 17
0.5 = wt / 17

so weight or mass =0.5 x 17 = 8.5 gm

i hope it will help you 
regards

Answer 2

Answer:

here is your answer..

Explanation:

mole = wt / Mw

molecular weight of NH3 = 17

0.5 = wt / 17

so weight or mass =0.5 x 17 = 8.5 gm

i hope it will help you  

regards