Answer:
6 moles of oxygen, or 3O2.
Explanation:
I would build a proportion for this:

Sorry i cant even read that
Answer:
okey if I'm going on south America for the winter break i would basically pack baggy clothes ,sweater,jackets,wollen hats,wollen clothes,socks,shoes,scarf,heavy and wollen one thats all ig
Answer:
15
Explanation:
Because the ratio of copper in the solution is 15