The Mega Mole Worksheet



The Mega Mole Worksheet

#1-10 Convert to Moles

1. 12.04 x 1023 atoms He

2. 3.01 x 1023 atoms Cu

3. 3.612 x 1023 atoms Fe

4. 100 atoms Ar

5. 1 atom S

6. 24 grams S

7. 59.3 grams Sn

8. 98.9 grams Na

9. 5000 grams K

10. 0.000500 grams Ne

#11-15 Convert to mass in grams

11. 10.0 moles Na

12. 2.20 moles Sn

13. 5.00 moles Ag

14. 0.0003000 moles Au

15. 1.00 x 1023 moles B

#16-20 Convert to number of atoms

16. 3.00 moles Ar

17. 8.50 moles Fe

18. 25.0 moles Ar

19. 2100.0 grams Na

20. 1.00 x 105 grams Al

ANSWERS IN RED (

1. 2.000 moles

2. 0.500 moles

3. 0.6000 moles

4. 1.66 x 10-22 moles ( 2 x 10-22 moles

5. 1.66 x 10-24moles ( 2 x 10-24 moles

6. 0.75moles

7. 0.500moles

8. 4.30 moles

9. 127.9 moles ( 1X102 moles

10. 2.48 x 10-5 moles

11. 230. g

12. 261g

13. 539 g

14. 0.05909 g

15. 1.08 x 1024 g

16. 1.81 x 1024 atoms

17. 5.12 x 1024 atoms

18. 1.51 x 1025 atoms

19. 5.4989 x 1025 atoms

20. 2.23 x 1027 atoms

#1-10 Convert to moles

1. 6.02 x 1023 molecules CO2

2. 1.806 x 1023 molecules Cl2

3. 1.51 x 1023 molecules H2O

4. 1000 molecules P4O10

5. 1 molecule NH3

6. 34 grams NH3

7. 50.0 grams CaCO3

8. 360 grams H2O

9. 9.00 grams H2SO4

10. 1.00 grams NaCl

#11-15 Convert to mass in grams

11. 5.0 moles NH3

12. 4.50 moles NaCl

13. 0.30 moles NaCl

14. 0.00200 moles Na2SO4

15. 1.50 x 10-4 moles AgCl

#16-20 Convert to number of molecules

16. 2.0 moles CO2

17. 1.8 moles PCl3

18. 35.0 moles NH3

19. 5.30 x 10-4 grams SO2

20. 9.00 x 10-5 grams CO

ANSWERS IN RED (

1. 1.00 mole

2. 0.3000 moles

3. 0.252 moles

4. 2 x 10-21 moles

5. 2 x 10-24 moles

6. 2.0 moles

7. 0.500 moles

8. 20. moles

9. 0.0920 moles

10. 0.0171 moles

11. 85 g

12. 263 g

13. 18 g

14. 0.280 g

15. 0.0200 g

16. 1.2 x 1024 atoms

17. 1.1 x 1024 atoms

18. 2.11 x 1025 atoms

19. 4.98 x 1018 atoms

20. 1.93 x 1018 atoms

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