ICE tables are sometimes introduced in Topic 7 and sometimes saved until Topic 12. Check with your instructor which applies in your semester. You can save Exercise 7.5 until the Acids and Bases topic if your instructor chooses to wait until then to cover ICE tables.
Answer keys are for checking your work. There is little to no value in reading an answer key without first attempting to solve the problem yourself. All that does is give you a false sense of security because every problem looks much easier after you’ve seen somebody else solve it.
Data Tables:
Exercises:
Answer Keys: