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To calculate the pH of a system that has 0.010 M HCl, 0.10 M HF, and...

To calculate the pH of a system that has 0.010 M HCl, 0.10 M HF, and 0.10 M HCOOH

a. Consider only the HCl
b. Look up the Ka values for HF and HCOOH and use the stronger to calculate the pH
c. Add up the concentrations of HF and HCOOH and use the average value of Ka
d. Titrate with NaOH in the lab
e. Calculate Kb for all the species and rank them on a number line.

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