Answer is: 4)Mass
I really hope this helped you out!!!!
Answer:
See below
Explanation:
Ammonium 
is not a molecular ion because it is just a poly-atomic ion. A molecular ion has a "negative or positive charge" as a whole but the positive charge on here is not on the whole. So, it is a poly-atomic ion and not molecular ion.
The answer is A. Gas particles!
.035 gallons equals 0.1324894 L
Answer:
Here is your answer mate :D
