Consider the statement found on the assembly instructions for a piece of patio furniture: "The iron metal surface can be cleaned by soaking it in muriatic acid."
Which unbalanced chemical reaction below represents this statement the best?
- Fe + H2O → Fe2O3 + H2
- Fe + HCl → FeCl2 + H2
- Fe + HNO3 → FeCl2 + H2
- Fe2O3 + HNO3 → FeCl2 + H2O