Question #a4b0a

1 Answer
Jan 30, 2018

m=810g

Explanation:

Reaction:
O_2+2H_2rArrcolor(red)(2)H_2O
If we got 22.5 moles of oxygen, we will have the doppel amount of water molecules, because of the color(red)(2).
n_(H_2O)=22.5 mol*2=45mol
m=n*M
M_(H_2O)=18g/(mol)
m_(H_2O)=45cancel(mol)*18g/(cancel(mol))=810g