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Solution: The following questions refer to the titration curve given b...

Question

The following questions refer to the titration curve given below.  For each of the following questions circle the correct answer.

           a) The titration curve shows the titration of

  i. a strong acid with a strong base                             ii. a weak acid  with a strong base        iii. a strong base  with a strong acid                          iv. a weak base with a strong acid

                                 

b) Which point on the titration curve represents a region where a buffer solution has formed?

            point A                          point B                          point C                          point D

c) Which point on the titration curve represents the equivalence point?

            point A                          point B                          point C                          point D

d) Which of the following would be the best indicator to use in the titration?

     i. erythrosin B  pK= 2.9                      ii. methyl red pK   = 5.4                                                iii. bromthymol blue pK= 6.8             iv. o-cresonphthalein pK  = 9.0