Answer:
1.)
2.) 
3.) 2HCl
4.) MgO
5.) Mg and 
6.)
and 
7.)Na and 
8.) 3 aluminums and 3 chlorides
Explanation:
There are two H2 .There are four nitrogen atoms present. There are two NH3 formed
Ammonium Oxalate (NH4) 2c204 is the formula number and has a mass of 124.0959
Answer:
The volume of acetone is 9.24 mL
Explanation: