Write a balanced chemical equations, ionic equation, and net ionic equation for this reaction: aqueous solution of sulfuric acid and potassium.

2K(s) + H2SO4(aq) ==> K2SO4(aq) + H2(g)

2K(s) + 2H^+(aq) + SO4^2-(aq) ==> 2K^+(aq) + SO4^2-(aq) + H2(g)
2K(s) + 2H^+(aq) ==> 2K^+(aq) + H2(g)