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za Numeric 2 points Note: If this is your second or third attempt, this question may differ from your earlier attempt. Consider the initial pH of a buffer system containing 1.0 M CH3zCOOH and 1.0 MCH3COONa. You solved for this pH in Question 4. What is the new pH of the system after the addition of 0.10 moles of NaOH to LOL of solution? Hint: The K, of acetic acid is 1.6 x 107. Round your answer to TWO places past the decimal. Type your answer. za Numeric 2 points Note: If this is your second or third attempt, this question may differ from your earlier attempt. A 20.0 mL sample of 0.200 M HEr solution is titrated with a 0.200 M NaQH solution. What is the pH of the solution when 20.0 mL of base is added? Round your answer to TWO places past the decimal. Type your answer_