Note also that zn has simply changed places with H, one atom of the former having driven off two atoms of the latter.
"An Introduction to Chemical Science"
R.P. Williams
Of course zn must have a stronger chemical affinity for Cl than H has, or the change could not have taken place.
"An Introduction to Chemical Science"
R.P. Williams
zn, how much H could be liberated?
"An Introduction to Chemical Science"
R.P. Williams