I might not be right but I think the empirical formula is NO2
The variable would be the distance you dropped them.
Just look here https://www.jiskha.com/search/index.cgi?query=describe+how+you+can+crystallize+potassium+nitrate+fro...
Answer:
LOL YOUR PFP OMG SO FUNNY
Answer:
0.15215407
Explanation:
Im not 100% sure if this is correct!
