Go to google and look up how are air bags changing for number 2. and look up new airbag technologies in google and rewrite that in a few paragraphs for number 3.
Explanation:
20.0 moles= 80.1 or 80.05g
5.00 moles= 20.0g
1.20×1025moles= 4923.2g
1.00 moles= 4.00g
80.0 moles= 320.2g
I don’t know what is your problem
