Identify the principle conjugate acid/base pair and calculate the ratio between them in a solution that is buffered to pH 9.00 and contains
a. H2S
b. ethylenediamine dihydrochloride
c. H3AsO4
d. H2CO3
a. H2S
b. ethylenediamine dihydrochloride
c. H3AsO4
d. H2CO3