A 25.30 mL sample of 0.0897 M HCl is titrated with 0.111 M NaOH. Determine the pH of the solution after addition of 20.10 mL of NaOH

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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.