For each of the acid-base reactions in Section, compare the pKa values of the acids on either side of the equilibrium arrows and convince yourself that the position of equilibrium is in the direction indicated. (The pka values you need can be found in Section 2.3 or in Problem.)
Problem:
a. Which is a stronger base, CH3COO− or HCOO−? (The pKa of CH3COOH is 4.8; the p£a of HCOOH is 3.8.)
b. Which is a stronger base, HO− or −NH2? (The pka of H2O is 15.7; the pKa of NH3 is 36.)
c. Which is a stronger base, H2O or CH3OH? (The pka H30+ is -1.7; the pKa of CH3OH2 is -2.5.)
d. Do the same thing for the equilibria in Section. (The pKa of +NH4 is 9.4.)
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