2. TUTORIAL INSTRUCTIONS: Carefully go through the tutorial, step by step. You may return to any section, as necessary. Once you are satisfied that you understand the concepts and procedures, click CLOSE to get out of the tutorial mode. You will then be taken to the post-quiz. CLICK TO CONTINUE

3. One mole of solid sulfur (an element) contains 6.022 x 10 23 LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY atoms.

4. One mole of liquid bromine (a compound) contains 6.022 x 10 23 molecules.

5. One mole of gaseous carbon dioxide (a compound) contains 6.022 x 10 23 CLICK TO CONTINUE molecules.

6. One mole solid SULFUR mass 32.066 g LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY

7. One mole liquid BROMINE mass 159.808 g

8. One mole gaseous CARBON DIOXIDE mass 44.010 g CLICK TO CONTINUE

9. One mole solid SULFUR approximate volume at room temperature and pressure 16 cm 3 LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY

10. One mole liquid BROMINE approximate volume at room temperature and pressure 51 cm 3

11. One mole gaseous CARBON DIOXIDE approximate volume at room temperature and pressure 20,000 cm 3 CLICK TO CONTINUE

12. ONE SULFUR ATOM formula S atomic weight 32.066 One mole of sulfur atoms mass 32.066 g LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY

13. One mole bromine molecules mass 159.808 g ONE BROMINE MOLECULE formula Br 2 atomic weight 79.904 molecular weight 159.808

14. ONE CARBON DIOXIDE MOLECULE formula CO 2 atomic weights carbon 12.011 oxygen 15.9994 molecular weight 44.010 One mole carbon dioxide molecules mass 44.010 g CLICK TO CONTINUE

15. 1. Convert 30 g carbon to moles. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY

16. C, atomic weight 12.011 1 mole C (12.011 g) CLICK TO CONTINUE

17. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY mass (g) carbon  moles carbon CLICK TO CONTINUE (Convert 30 g C to mol.)

18. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY CLICK TO CONTINUE (Convert 30 g C to mol.) 30 g C 1 12.011 x _________ mole C g C 30 mole C 12.011 = 2.5 mol C

19. 2. Convert 3.5 liters of ammonia at S.T.P. to moles.

20. 1 mole gaseous ammonia, NH 3 ; volume 22.414 liters at S.T.P. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY (Convert 3.5 L NH 3 at S.T.P. to mol.)

21. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY volume (L) ammonia  moles ammonia CLICK TO CONTINUE (Convert 3.5 L NH 3 at S.T.P. to mol.)

22. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY CLICK TO CONTINUE (Convert 3.5 L NH 3 at S.T.P. to mol.) 3.5 L NH 3 x 3.5 mol NH 3 22.414 = 0.16 mol NH 3 mol NH 3 L NH 3 1 22.414 ___________

23. 3. How many moles of glucose are in 10 mL of a 0.5 molar aqueous solution?

24. 10 mL 0.5 moles/liter glucose in solution of (# mol glucose in 10 mL 0.5 M soln?)

25. volume (mL) solution  volume (L) solution  moles solvent CLICK TO CONTINUE LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY (# mol glucose in 10 mL 0.5 M soln?)

26. 10 mL solutionx 1 1000 or 10 mL solution x 1 L 10 3 mL or 10 mL solution x 10 -3 L 1 mL ______ L mL CLICK TO CONTINUE LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY (# mol glucose in 10 mL 0.5 M soln?)

27. 10 mL solution x 1 L 1000 mL 10 mL solution x 1 L 10 3 mL 10 mL solution x 10 -3 L 1 mL or x mol glucose L solution x mol glucose L solution x mol glucose L solution 0.5 1 0.5 1 0.5 1 CLICK TO CONTINUE LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY (# mol glucose in 10 mL 0.5 M soln?)

28. 10 mL solution x 1 L x 0.5 mol glucose 1000 mL 1 L solution or 10 mL solution x 1 L x 0.5 mol glucose 10 3 mL 1 L solution or 10 mL solution x 10 -3 L x 0.5 mol glucose 1 mL 1 L solution CLICK TO CONTINUE LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY (# mol glucose in 10 mL 0.5 M soln?)

29. 10 x 0.5 mol glucose 1000 or 10 x 0.5 mol glucose 10 3 or 10 x 10 -3 x 0.5 mol glucose = 0.005 or 5 x 10 -3 mol glucose CLICK TO CONTINUE LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY (# mol glucose in 10 mL 0.5 M soln?)

30. 4. How many atoms are present in 4.0 moles of phosphine, PH 3 ?

31. phosphine molecules H H H P (# atoms in 4.0 mol PH 3 ?)

32. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY moles phosphine  molecules phosphine  atoms CLICK TO CONTINUE (# atoms in 4.0 mol PH 3 ?)

33. 4.0 mol PH 3 x _____________________ molecules PH 3 mol PH 3 6.02 x 10 23 1 x atoms molecule PH 3 4141 LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY CLICK TO CONTINUE (# atoms in 4.0 mol PH 3 ?)

34. 4.0 mol PH 3 x 6.02 x 10 23 molecules PH 3 1 mol PH 3 x 4 atoms 1 molecules PH 3 4.0 x 6.02 x 10 23 x 4 atoms = 9.6 x 10 24 atoms ___________________ LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY CLICK TO CONTINUE (# atoms in 4.0 mol PH 3 ?)

35. 5. How many electrons are lost by ionization of 0.65 moles of calcium?

36. ee e e + + e e ee e ee e e e e + + e + + e + + e + + e + + e + + e + + e e e ee + + e (# electrons lost by 0.65 mol Ca?)

37. moles calcium  atoms calcium  electrons CLICK TO CONTINUE (# electrons lost by 0.65 mol Ca?)

38. LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY x electrons atoms Ca 0.65 mol Cax __________________ atoms Ca mol Ca 6.02 x 10 23 1 2121 CLICK TO CONTINUE (# electrons lost by 0.65 mol Ca?)

39. 0.65 x 6.02 x 10 23 x 2 electrons = 7.8 x 10 23 electrons 0.65 mol Ca x 6.02 x 10 23 atoms Ca 1 mol Ca x2 electrons 1 atoms Ca LISTEN THOUGHTFULLY GO AT YOUR OWN PACE MAKE NOTES AS NECESSARY CLICK TO CONTINUE END OF TUTORIAL (# electrons lost by 0.65 mol Ca?)

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