posted by Anonymous .
A mass of 2g of magnesium wire is oxidized with 150 ml of 0.5 mole/l (HCL solution)
write the half rxn and the balanced equation of the overall rxn
Mg ==> Mg^+2 + 2e = half rxn for Mg
2H^+ + 2e --> H2 = half rxn for HCl
Mg + 2HCl ==> MgCl2 + H2 = overall rxn