Calculate the pH of a solution prepared by dissolving 2.35 g of sodium acetate, CH₃COONa, in 74.5 mL of 0.15M acetic acid, CH₃COOH(aq). Assume the volume change upon dissolving the sodium acetate is negligible. Kₐ of CH₃COOH is 1.75 × 10⁻⁵.