Name Period Date Acids & Bases 1. Summarize the main acid-base theories in the table below. ACID BASE Arrhenius Brønsted-Lowry Label the acid (A), base (B), conjugate acid (CA), and conjugate base (CB) in each of the following reactions. 2. H2SO4 + NH3 HSO4 - + NH4+ 3. HC2H3O2 + H2O H3O+ + C2H3O2- 4. HCl + NH3 → NH4+ + Cl- 5. HCO3- + OH- → H2O + CO32- Give the conjugate base for each of the following Brønsted-Lowry acids. 6. HI 8. H2CO3 7. NH4+ 9. HNO3 Give the conjugate acid for each of the following Brønsted-Lowry bases. 10. CN– 11. O2– 12. CH3COO– 13. NH3 13. What is the name for the H3O+ ion? Continued on the back!!! ☺ pH and pOH Calculations pH 1 [ H3O+ ] or [H+] pOH 3.89 x 10–4 M 3 5.19 4 4.88 x 10–6 M 8.46 6 8.45 x 10–13 M 7 2.14 8 9 10 Acids & Bases – Ch. 19 ACID or BASE? 3.78 2 5 [ OH– ] 2.31 x 10–11 M 10.91 7.49 x 10–6 M CHEM