A.) What is the ph of an aqueous solution with a hydrogen ion concentration of [H^+]= 5.0 x 10^-9 M?
B.) A monoprotic acid, HA, disassociates:
The equilibrium concentrations of the reactants are products are
[HA]= 0.270 M[H^+]= 3.00 x 10^-4 M[A-] = 3.00 x 10^-4 M
Calculate the Ka value for the acid HA.
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