Explain the ka for lactic acid

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A buffer is prepared by adding .15mol of lactic acid, CH3CHOHCO2H and .20 mol sodium lactate, CH3CHOHCO2NA to a sufficient amount of water to make a 1.00L buffer solution. The Ka for lactic acid is 1.4x10^-4. What is the pH of this buffer after .10 mol of solid NaOH has been added?

Reference no: EM13223427

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