A chemist titrates 80.0 mL of a 0.8669M ethylamine (C₂H₂NH₂) solution with 0.3629M HNO3 solution at 25 °C. Calculate the pH at equivalence. The p K of ethylamine is 3.19. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HNO3 solution added. pH = X

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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.