(Answered) To enter your answers in the scientific format use the

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To enter your answers in the scientific format use the exponential "E" notation to represent "times ten raised to the power of", followed by the value of the exponent. Example: 0.032 or 3.2 x 10^-2would be 3.2E-02 where "E" stands for (x 10^y).

a) What is the concentration of a lactic acid buffer (pK_a= 3.9) that contains 4.201 M of CH₃CH(OH)COOH and 4.201 M of CH₃CH(OH)COO^-? Give your answer using 2 decimal points.

Final Concentration of lactic acid buffer = (M)

b) What is the pH? (Give your answer using 1 decimal point.) pH =

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