Hyoronuonic acia Mr (Ka=.21U) Ammonium ion NH4+(Ka=5.61010) Question 10 (0.5 points) Ammonia, NH3, is an example of a strong acid weak acid strong base weak base Question 11(0.5 points) In which of the following pairs are both members of the pair si H2SO4 and BaSO4 NaCl and NaOH