# pH Calculations for Acids

103897 okay if expalin math Only for above listed OTA-ONLY. All others called in.

Please EXPLAIN the math.

100 mL of a 0.1 M NaOH solution is being titrated with 0.2 M HCl solution.

a) What is the pH of the solution after 25 mL of the HCl solution has been added?

b) What is the solution after an additional 20 mL of HCl solution has been added?

c) What is the pH of the solution after an additional 25 mL of HCl has been added?

d) How much HCl solution is required to reach the equivalence point in the titration of the above solution?

https://brainmass.com/chemistry/acids-and-bases/ph-calculations-acids-22397

#### Solution Preview

See attached solution.

100 mL of a 0.1 M NaOH solution is being titrated with 0.2 M HCl solution.

a) What is the pH of the solution after 25 mL of the HCl solution has been added?

b) What is the solution after an additional 20 mL of HCl solution has been added?

c) What is the pH of the solution after an additional 25 mL of HCl has been added?

d) How much HCl solution is required to reach the equivalence point in the titration of the above solution?

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#### Solution Summary

The solution includes calculations of pH for HCl solutions. In addition, the calculation of an equivalence point for titrated solutions.