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Question1:You are in charge of determining the amount of acid or base needed to add to the aqueous waste container in 2109. In order to do so, you must determine the pH of the system as it must be between 6 and 8 to dispose down the drain (if there aren’t any compounds that cannot go down the drain; all of those listed CAN go down the drain). The current “documented” volume of acids and bases are as follows:
50.00 mL of 0.005031 M ethylenediamine 2.2983
13.57 mL of 0.007213 M sodium hydroxide
2.42 L of 0.1053 M sodium hydroxide
3.56 L of 0.06567 M hydrochloric acid
3.23 L of 0.03119 M acetic acid
912.35 mL of 0.05629 M ammonium hydroxide (this is ammonia)
348.29 mL of 0.02150 M citric acid
Document any information obtained from the textbook (Harvey or Kalainoff) or from the internet in order to solve the problem.
Question 2:A 50.0 mL sample of 0.100 M GoCubsGoamine (pKb1 = 2.95, pKb2 = 6.23) is titrated with 0.100 M HCl. Using the systematic treatment of equilibrium and SageMath, calculate the pH at a minimum of the following volumes of HCl added: 0.0 mL, 10.0 mL, 20.0 mL, 30.0 mL, 40.0 mL, 50.0 mL, 60.0 mL, 70.0 mL, 80.0 mL, 90.0 mL, 100.0 mL and 110.0 mL. Add volumes as needed to highlight the equivalence points so you can create a first derivative plot and second derivative plot for the data that is submitted.
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