Consider 25.0 mL of 0.100M HA, for which Ka=1.00x105, titrated with 0.0500M NaOH solution. a. How many milliliters of NaOH(aq) are needed to reach the equivalence point? b. How many millimoles of HA are initially present in the sample? c. What is the initial pH, before adding any titrant? d. What is the pH after adding 10.0 mL of titrant? e. What is the pH after adding 25.0 mL of titrant? f. What is the pH after adding 50.0 mL of titrant? g. What is the pH after adding 75.0 mL of titrant?

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