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Chapt02 chemistry
- 1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. CHAPTER 2 LECTURE SLIDES
- 2. The Nature of Molecules and the Properties of Water Chapter 2
- 12. Atomic Structure
- 14. Atomic Structure
- 17. Periodic Table of the Elements
- 30. 6.022 10 23 molecules is 1 mole; NaCl’s molecular weight is 58, H 2 ’s molecular weight is 2. Answer following questions: How many molecules does 0.5 mole NaCl have? How many molecules does 0.5 mole H 2 have? How many grams does 0.5 mole NaCl weigh? How many grams does 0.5 mole H 2 weigh? You need to make 500 ml 1 M NaCl solution, how many gram NaCl do you need? Example: