Ch 17 Ee 12 Weak Acid/Strong Base: Example 8: An acid-base titration experiment begins with 20.0 ml of 0.200 M HF in the flask and 0.160 M NaOH in the burer. Ka for HF-6.3 x 10-4. Draw the expected titration graph where pH is the y axis and ml of NaOH added is the x axis, Sketch and label the titration curve including WA or WB, SA or SB, salt, equivalence pt. pH at equiv pt <-, or > 7. buffer, where color change of indicator should occur. b) What are the initial [H], [OH), pH, POH, and % ionization for the 20.0 ml of 0.200 M HF in the flask? Clearly identify answers. Ka for HF = 6.3 x 10-4 c) What is the pH after 10.0 ml of 0.160 M NaOH has been added to the flask containing 20.0 ml of 0.200 M HF?
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