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notestest3 - Notes Test 3 chapters 9 and 9 October 12...

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Notes Test 3 chapters 9 and 9 October 12 Chapter 8- Naming Compounds Students formed groups and started working on the rules for naming compounds using note cards. Complete page 10 in the packet. To see rules for naming compounds, look over pages 12-14 in the packet. October 21 Board Problems Name the following 1. CaCl 2 - Calcium Chloride 2. Fe 2 (SO 4 ) 3 - Iron III Sulfate 3. P 2 O 5 - Diphosphorus Pentoxide 4. Mg(NO 3 ) 2 - Magnesium Nitrate Acids 5. HBr- Hydrobromic Acid 6. HNO 3 - Nitric Acid 7. HNO 2 - Nitrous Acid 8. H 2 SO 3 – Sulfurous Acid

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9. H 2 SO 4 – Sulfuric Acid Write formulas for each of the following: 1. Magnesium Permanganate Mg(MnO 4 ) 2 2. Sulfuric Acid H 2 SO 4 3. Iron (III) Sulfite Fe 2 (SO 3 ) 3 4. Sulfurous Acid H 2 SO 3 5. Hydrobromic Acid HBr 6. Copper (I) Chloride CuCl 7. Nitric Acid HNO 3 Complete page 11 of packet: writing formulas from names. Test 3 over chapters 7 and 8 will Thursday, October 28. Tuesday, October 26 Optional Review day for Test 3. Complete page 15 of the packet. October 28
Test Chapters 7 and 8 Chapter 9 1. Law of definite proportions p 285 In a pure compound, the elements are always present in the same definite proportion by mass. 2. Calculating molar masses p 287 H 2 O = 18g/mole ( add the numbers off the periodic table- O = 16, H = 1 ( there at two H's) ) Try H 2 SO 4 . You should bet 98.1g/mole rounding to tenths. 3. The mole p 295 a dozen = 12, a pair = 2, a ream of paper = 500 sheets, a mole = 6.02 X 10 23 Think of a mole as a “bunch” or a “pile”. A mole is not a molecule, it is a number. 6.02 X 10 23 dollars would guarantee every person on earth an income of three million dollars per second for 100 years.

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notestest3 - Notes Test 3 chapters 9 and 9 October 12...

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