1. If equal volumes of 0.20 NaOH and 0.10 NaH2PO4 are mixed what type of system is formed? A) amphiprotic B) buffer Ka3 C) strong base D) weak base 2. If equal volumes of 0.15 HCl and 0.10 Na2HPO4 are mixed what type of system is formed? A) buffer Ka2 B) Buffer Ka1 C) strong acid D) amphiprotic 3. If equal volumes of 0.15 NaOH and 0.10 NaH2PO4 are mixed what type of system is formed? A) Buffer Ka2 B) amphiprotic C) Buffer Ka3 D) strong base 4. Sort the following solutions into the appropriate category (Strong Acid, Strong Base, Neutral, Weak Acid, Weak Base, Ka1 buffer, Ka2 buffer, Ka3 buffer, or amphiprotic). A. 0.1 M Lithium Hydroxide and 0.2 M Hydrochloric Acid. B. 0.1 M Nitrous Acid and 0.05 M Potassium Hydroxide C. 0.2 M Formic Acid and 0.2 M Sodium Hydroxide D. 0.25 M Monosodium Phosphate and 0.25 M Hydroiodic Acid E. 0.2 M Sodium Carbonate and 0.1 M Hydrochloric Acid Any help or rules to follow would be greatly appreciated.