Question

b) The pH of a buffer system containing NH3 and NH4Cl is found to be 9.40....

b) The pH of a buffer system containing NH3 and NH4Cl is found to be 9.40. Calculate the ratio NH3/NH4Cl

c) Given that the solubility product of PbBr2 is 5.520×10-6 determine the molar solubility of PbBr2 in a 0.139 M KBr solution

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