### Evaluate the and the concentrations of species

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a. Calculate the and the concentrations of all species present (H3O+,F-, Cl-,and OH-) in a solution that contains of HF 0.19 M (Ka=3.5*10^(-4)) and 0.19 M of HCl.

b. Calculate the concentrations of all species present (H3O+,F-, Cl-,and OH-) in a in a solution that contains of HF 0.19 M (Ka=3.5*10^(-4)) and 0.19 M of HCl.

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