Chapter 9: ACIds , bases, and SALTS. Bell Ringer. Name 1 acid and 1 base you have in your home. Use your book if you need help!. sECTION 1: acids, bases, and pH. Acids. Acid – any compound that increases the number of hydronium ions when dissolved in water
HCl + H2O Cl– + H3O+
NaOH Na+ + OH–
Cl– + H3O+ + Na+ + OH– Na+ + Cl– + 2H2O
**In this reaction, Na and Cl are spectator ions, because they are like spectators watching the reaction that forms water.
**If equal concentrations and volumes of a strong acid and a strong base are mixed, all hydronium and hydroxide ions react to form water, so solution is neutral
Interpreting Titration Curves
Hydrochloric acid, HCl, was titrated with potassium hydroxide, KOH. How many moles of KOH were added to reach the equivalence point?