In order to calculate the pH of a salt solution generated from a weak acid and a weak base by using a single ICE chart, what must be true? a) К. > Кь
b) K, < K™
c) either of the above
d) impossible to calculate

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)