Assignment 23.pdf - 8.4 Module 8 Lesson 4 Assignment...

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6/12/20208.4 Module 8 Lesson 4 Assignment: Chemistry 30 (5) Reg - Perrott - 1(A)1/328.4 Module 8 Lesson 4 AssignmentDueMay 29 at 11:59pmPoints54Questions37Time LimitNoneInstructionsAttempt HistoryAttemptTimeScoreLATESTAttempt 1 260 minutes47 out of 54Score for this quiz: 47out of 54Submitted Jun 12 at 7:58pmThis attempt took 260 minutes.Complete the following open-book assignment. This assignment will count toward your ±nal mark in thiscourse.You will be allowed submit this assignment once. Make sure you answer all the questions and save youranswers before submitting. Use the following information to answer the next 2 questions.Various Titration Curves1. 5. 2. 6.
6/12/20208.4 Module 8 Lesson 4 Assignment: Chemistry 30 (5) Reg - Perrott - 1(A)2/323. 7. 4. 8. 8 / 8 ptsQuestion 1Match the following reactant mixtures with the number of the pH curveabove that would be created when the reactant mixtures are titrated.ReactantsGraphPerchloric acid titrated with potassium hydroxide 1hydrochloric acid titrated with sodium cyanide
6/12/20208.4 Module 8 Lesson 4 Assignment: Chemistry 30 (5) Reg - Perrott - 1(A)3/32Answer 1:Answer 2:Answer 3:Answer 4:Answer 5:5Hydrofluoric acid titrated with lithium hydroxide8Oxalic acid titrated to completion with potassiumhydroxide7sodium hydroxide titrated with nitric acid4potassium hydroxide titrated with hypochlorous acid3ammonia titrated with hydroiodic acid6Sodium sulfite titrated to completion withhydrobromic acid21Correct!Correct!5Correct!Correct!8Correct!Correct!7Correct!Correct!4Correct!Correct!
6/12/20208.4 Module 8 Lesson 4 Assignment: Chemistry 30 (5) Reg - Perrott - 1(A)4/32Answer 6:Answer 7:Answer 8:3Correct!Correct!6Correct!Correct!2Correct!Correct!1 / 1 ptsQuestion 2Use the following information to answer the next question.Which of the above sections of the pH curve could be classified as bufferregions?
Correct!Correct!
6/12/20208.4 Module 8 Lesson 4 Assignment: Chemistry 30 (5) Reg - Perrott - 1(A)5/32there is no buffer region 4 / 4 ptsQuestion 3Match the following terms with the entities. Use each term only once.Answer 1:Answer 2:Answer 3:Answer 4:EntityClassificationSO(aq)Polyprotic base HSO(aq)Monoprotic baseHCOOH(aq)Monoprotic acidH2PO(aq)Polyprotic acid32−34Polyprotic base Correct!Correct!Monoprotic base Correct!Correct!Monoprotic acid Correct!Correct!Polyprotic acid Correct!Correct!0 / 1 pts

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