(Solved): 88. The active ingredient to Pepto-Bismol is the compound bismuth subsalicylate, which undergoes ...

88. The active ingredient to Pepto-Bismol is the compound bismuth subsalicylate, which
undergoes the following dissociation when added to water:
C?H?BiO4 (s) +H?O (1) ?? C7H?O3 2-(aq) + Bi 3+(aq) + OH - (aq)
If the maximum amount of bismuth subsilicylate that reacts by this reaction is 3.2x10^-19 mol/L.
Calculate the equilibrium constant for the preceding reaction.
K=?

88. The active ingredient to Pepto-Bismol is the compound bismuth subsalicylate, which undergoes the following dissociation when added to water: ${\mathrm{C}}_7{\mathrm{H}}_5{\mathrm{BiO}}_4(\mathrm{s})+{\mathrm{H}}_2\mathrm{O}(\mathrm{I})?{\mathrm{C}}_7{\mathrm{H}}_4{\mathrm{O}}_{3}2?(\mathrm{aq})+\mathrm{Bi}3+(\mathrm{aq})+\mathrm{OH}?(\mathrm{aq})\mathrm{K}=?$ If the maximum amount of bismuth subsilicylate that reacts by this reaction is $3.2\times 10^{?}?19\mathrm{mol}/\mathrm{L}$. Calculate the equilibrium constant for the preceding reaction.