A chemist titrates 160.0 mL of a 0.6635 M ethylamine (C₂H5NH₂) solution with 0.6870M 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. -0 pH = X S

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