5. 25.00 mL of HCN (Ka 4.90 x 10-10) was titrated with 18.50 mL of 0.0125 M Ca(OH)2. a) What is the concentration of HCN in the original sample? b) What is the pH after 9.25 mL of base have been added? c) What is the pH of the solution at the endpoint of the titration?

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.