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both 10. Consider the titration of 50.00mL of 0.1000MABr with 0.1000MKOH Calculate the pH after 49.00mL of the base has been added to the 50.00mL

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10. Consider the titration of 50.00mL of 0.1000MABr with 0.1000MKOH Calculate the pH after 49.00mL of the base has been added to the 50.00mL of HBr. a. 2.0 b. 3.0 c. 4.0 d. 6.0 e. 7.0 11. An aqueous solution of a weak acid, HA, is titrated with NaOH solution. The pH at the midpoint of the buffer region is 4.5. What is the Ka of the acid? a. 3.2105 b. 3.21010 c. 1.8103 d. 7.0107 e. 4.5

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