What is the complete ionic equation for the reaction of hydrochloric acid with potassium hydroxide?
A) H+ + Cl- + K+ + OH- ? H2O + K+ + Cl-
B) H+ + Cl- + K+ + OH- ? 2H+ + O2- + K+ + Cl-
C) H+ + OH- ? H2O
D) 2H+ +2Cl- + K2+ + 2OH- ? H2O + K2+ +2 Cl-
E) none of the above
Answer: A