(NH4)2S
N:
N: 25 % / H: 25 % /S: 50%
N: 33 % /H: 33 %/S: 34%
N: 41% /H: 12 %/S: 47%
ON: 39% /H: 10% 45:51%
H:
S:
2. Find the percent composition of all of the elements in the above compound.