General Chemistry
Determine the net ionic equation when calcium hydride (CaH2) reacts with H2O.
Ca2+(aq) + 2H-(aq) + 2H2O(l) → Ca2+(aq) + 2OH-(aq) + 2H2(g)
CaH2(s) + 2H2O(l) → Ca(OH)2(aq) + 2H2(g)
CaH2(s) + 2H2O(l) → Ca2+(aq) + 2OH−(aq) + 2H2(g)
2H-(aq) + 2H2O(l) → 2OH-(aq) + 2H2(g)