1. 16.1 Properties of Solutions > 1 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 1. Calculate and record your % grade. Test 6 = ____ 2. Did you meet your goal? Why or why not. 3. I will prepare for the next test by … 4. New goal = (If you did not meet your goal, it does not change. If you did, next time you must improve by at least one. Goal Setting: Day 2 2-12 period 1

2. 16.1 Properties of Solutions > 2 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 2 Question of the Day Day 2 2-12 Chapter # 1: Aqueous Potassium Iodide reacts with aqueous Lead (II) Nitrate to produce solid Lead (II) Iodide and aqueous Potassium Nitrate. Write the balanced chemical equation. Reaction type = 2KI (aq) + Pb(NO 3 ) 2(aq)  PbI 2(s) + 2KNO 3(aq) Double replacement

3. 16.1 Properties of Solutions > 3 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. Propose an activity series based on the following results: A + BY  AY + B A + CY  NO RXN Day 2 2-12 A > B C > A CABCAB

4. 16.1 Properties of Solutions > 4 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. PERIOD 1: Wednesday 2-13 Day 3 = LAB Thursday 2-21 Day 1 = MIDTERM

5. 16.1 Properties of Solutions > 5 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. PERIOD 3: Thursday 2-14 Day 4 = LAB Wednesday 2-20 Day 6 = MIDTERM

6. 16.1 Properties of Solutions > 6 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. In an unknown compound you find 4.04 g of N and 11.46 g O. Empirical formula? If the molar mass is 216 g/mol what is the molecular formula? Day 5 1-24 Chapter # 2:

7. 16.1 Properties of Solutions > 7 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. In an unknown compound you find 4.04 g of N and 11.46 g O. Empirical formula ? If the molar mass is 216 g/mol what is the molecular formula? 1. Convert all eles. involved to moles 2. Divide all eles. by the smallest # of moles 3. Obtain smallest whole #ed ratio

8. 16.1 Properties of Solutions > 8 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. In an unknown compound you find 4.04 g of N and 11.46 g O. Empirical formula? If the molar mass is 216 g/mol what is the molecular formula ? Compare the molar mass of your empirical formula to the actual molar mass.

9. 16.1 Properties of Solutions > 9 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 67.2 L of CH 4 gas = ___ grams 44.8 mg of solid Carbon = ___ L Day 5 1-24

10. 16.1 Properties of Solutions > 10 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. A solution containing 6 g potassium phosphate is mixed with a solution containing 6 g barium chloride. After the rxn is complete, 5.85 g barium phosphate are collected. What is the limiting reagent – SHOW WORK!? Day 6 1-25 2K 3 PO 4(aq) + 3BaCl 2(aq)  Ba 3 (PO 4 ) 2(s) + 6KCl (aq) limiting reactant = BaCl 2

11. 16.1 Properties of Solutions > 11 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 6 g potassium phosphate is mixed with a solution containing 6 g barium chloride. After the rxn is complete, 5.85 g barium phosphate are collected. What is the theoretical yield of barium phosphate – SHOW WORK!? limiting reactant = BaCl 2 Day 6 1-25 5.76 grams 2K 3 PO 4(aq) + 3BaCl 2(aq)  Ba 3 (PO 4 ) 2(s) + 6KCl (aq)

12. 16.1 Properties of Solutions > 12 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 6 g potassium phosphate is mixed with a solution containing 6 g barium chloride. After the rxn is complete, 5.85 g barium phosphate are collected. What is the percent yield of barium phosphate – SHOW WORK!? Day 6 1-25 Theoretical yield 5.76 grams % yield = 102%

13. 16.1 Properties of Solutions > 13 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. A sample of gas that contains 1.0 moles at 250K and 2 atms. takes up how much space? Day 6 1-25 10.3 L

14. 16.1 Properties of Solutions > 14 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. How do the boiling points of these substances compare? Rank them from the lowest to the highest boiling point. Defend your answer with scientific reasoning (reference specific intermolecular forces). H 2 O, CH 3 Br, CH 4, C 4 H 10 Day 6 1-25

15. 16.1 Properties of Solutions > 15 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. Dissociation and hydrolysis of sodium sulfate (sulfate hydrolyzes water) Dissociation: Hydrolysis: The ending solution will be acidic OR basic? Day 6 1-25

16. 16.1 Properties of Solutions > 16 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. Explain a difference between the substance on the left and that on the right (they have both been placed in water).