A certain mass(m) of an impure iron sample of 40% purity ,is treated with an excess of HCl to give H2 that occupies 44.8 L at s.t.p ( Vm=22.4) where the yeild of the reaction is 0.8.

Question

A) calculate m.
B) deduce the mass of HCl reacted.

Thanks in advance!!

Answer 1

See the response by Bob Pursley above.