Question

A 375-gallon tank is filled with water containing 167grams of bromine in the form of Br- ions. How many liters of Cl2 gas at 1.00 atm and 20C will be required to oxidize all the bromide to molecular bromine?
2Br^- + Cl2 ==> Br2 + 2Cl^-
mols Br^- 167/atomic mass Br.
Convert mols Br to mols Cl2.
Use PV = nRT an solve for V in L.
25.3 L of Cl2 needed.
Thanks DrBob222!

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