5) You determined that the pH of a 0.1M solution of lactic acid, C,H,OHCOOH, is 2.9. What is the K, of the acid reaction? a. Use an ICE table to calculate the equilibrium concentrations. СНОНСООН C,H,OHCOO- H* OM "O M" E b. What is the equilibrium expression for the reaction? K, c. Calculate K. d. Is lactic acid a stronger or a weaker acid than acetic acid (pK, = 4.75)? Explain.

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