Answers: Exercise 0_1A Introductory Exercise 1. B 2. A 3. D 4. C 5. D 6. A 7. B 8. C 9. C 10. C 11. 1 mol l-1 12. a) b) use gas syringe/ collect under water c) 0.6l 13. 11.16g [11.163 -10.952] 14. 62% 15. 15.2%