1. 2.10.15 Pick up turned back papers. Pick up daily papers
Pick up sock and board.
Do Now
Follow the link or qr to warmup – you have – you have until 4 minutes after the bell
5 min

2. HW Check 2.10
Explain why one mole of oxygen and one mole of hydrogen can weigh different amounts.
How many atoms are in one mole?
How many grams are in 3 moles of aluminum?
How many grams are in one mole of saccharin (C7H5NO3S)
5 min

3. Today is February 9, 2015 Topic: The Mole Lesson Objectives: SWBAT
2.2.4 Analyze Stoichiometric relatioships inherent in a chemical reaction
2.2.5 Analyze quantitatively the composition of a substance (empirical formula, molecular formula, percent composition, and hydrates)
Essential Question: 2.2 Analyze chemical reactions in terms of quantities, product formation, and energy.

4. Homework 2-10
Study Guide Pg

5. IMPORTANT DATES
Monday 2/9 Chemical Reaction Quiz Tuesday 2/10 Tutoring 2:30-3:30 Wednesday 2/11 – HOMEROOM / 3rd and 4th block Thursday 2/12 Tutoring 2:30-3:30 Thursday 2/12 Chemical Rxn Test Friday 2/13 – NO SCHOOL

6. Agenda 2-10 Do Now HW check Stoichiometry Pre-Assessment Work groups
Mole Conversions
Study Guide

7. Stoichiometry pre-assessment
15 minutes Pencil No phones Calculators Use reference tables Sheilds up

8. Work Groups
Nomenclature Review
Stoichiometry
15 min

9. Review of Formula Mass

10. Calculations with Moles: Converting moles to grams
How many grams of lithium are in 3.50 moles of lithium?
3.50 mol Li
6.94 g Li
= g Li
24.3
1 mol Li

11. Moles  Grams Practice

12. Calculations with Moles: Converting grams to moles
How many moles of lithium are in 18.2 grams of lithium?
18.2 g Li
1 mol Li
= mol Li
2.62
6.94 g Li

13. Grams  Moles practice

14. Study Guide Head Start

15. Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 3.50 moles of lithium?
3.50 mol
6.02 x 1023 atoms
= atoms
2.07 x 1024
1 mol

16. Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 18.2 g of
lithium?
18.2 g Li
1 mol Li
6.022 x 1023 atoms Li
6.94 g Li
1 mol Li
(18.2)(6.022 x 1023)/6.94
= atoms Li
1.58 x 1024

17. Formula Writing Review

18. M
Mg + Cl2 
Al + NO3 
Fe + F2 
Dicarbon tetroxide

19. 4
Li + P 
K + SO4 
Mn + S 
Nitrogen trisulfide

20. 2
B + Cl2 
NH4 + I2 
Cu + F2 
Trinitrogen hexachloride

21. 1
Al + O2 
Ag + Se 
Rb + NO2 
Phosphorus dihydride

22. TOTD When naming binary compounds the suffix must be
– ate b) –ite c) –ide
2. Aluminum Sulfate and Potassium Nitrate both contain which element? What distinguishes a compound that contains a polyatomic ion from a binary molecular compound?

23. Chemical Reactions Groups

24. M.4.2.1 Foldable Converting Moles to Grams Converting Grams to Moles
Using Avogadro’s Number (1)
Using Avogadro’s Number (2)

25. Calculations with Moles: Converting moles to grams
How many grams of lithium are in 3.50 moles of lithium?
3.50 mol Li
6.94 g Li
= g Li
24.3
1 mol Li

26. Calculations with Moles: Converting grams to moles
How many moles of lithium are in 18.2 grams of lithium?
18.2 g Li
1 mol Li
= mol Li
2.62
6.94 g Li

27. Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 3.50 moles of lithium?
3.50 mol
6.02 x 1023 atoms
= atoms
2.07 x 1024
1 mol

28. Calculations with Moles: Using Avogadro’s Number
How many atoms of lithium are in 18.2 g of
lithium?
18.2 g Li
1 mol Li
6.022 x 1023 atoms Li
6.94 g Li
1 mol Li
(18.2)(6.022 x 1023)/6.94
= atoms Li
1.58 x 1024

29. The Mole POGIL Work in groups of four Reader Manager Recorder
Technician / Reporter
Parts 3 and 4