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Mole conversions

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  • 1. Us ingConvers ionFactors
  • 2. Ju s t like a dozen re p re s e nts 1 2 of s om e th ing,s u ch as d onu ts , igu anas , ch e m is try as s ignm e nts , e tc., a mole als o re p re s e nts an am ou nt of s om e th ing. It is 6.02 x 1 0 23 of s om e th ing. A m ole can re p re s e nt 6.02 x 1 0 d onu ts , igu anas , toe s , e tc. 23 In ch e m is try, it is norm ally u s e d to re p re s e nt an am ou nt of atom s , ions , m ole cu le s , or form u la u nits . C olle ctive ly, atom s , ions , m ole cu le s , or form u la u nits are calle d re p re se ntative p articl s . e
  • 3. Because chemists deal with suchlarge amounts of particles,it is easier to work with moles of particles
  • 4. amounts of particles can be expressednot only as moles,but as mass (grams),as volume (liters), andas individual particles (atoms, molecules, ions, formula units, etc.)
  • 5. a measurement of a sampleof a molecule, H2O for example,can be converted O Hfrom mass Hto molesto particlesto volumeand back againto any unit of measurement desired
  • 6. usingthe right this is soconversion cool!!factors
  • 7. m as s m olar m as s 1 m ol 1 m ol m olar m as s m oles 1 m ol 6 .02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 8. m as s m olar m as s 1 m ol 1 m ol m olar m as s m oles 1 m ol 6 .02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 9. m as s m olar m as s 1 m ol 1 m ol m olar m as s m oles 1 m ol 6 .02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 10. m a ss m olar m as s 1 m ol 1 m ol m olar m as s m oles 1 m ol 6 .02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 11. m a ss m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 12. m a ss m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 13. m a ss m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 14. m a ss m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 15. 35 g Al m a ss m olar m as s 1 m ol 1 m ol m olar m as s m oles 1 m ol 6 .02 x 10 23 particles 22.4L 1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m ol volum e at S TP num ber of repres entative particles
  • 16. 35 g Al m a ss m olar m as s 1 m ol 1 m ol m olar m as s? moles Al m o le s 1 m ol 6.02 x 10 23 particles 22.4L 1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m ol volum e at S TP num ber of repres entative particles
  • 17. 35 g Al x 1 mol m a ss 27 g m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles 22.4L 1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m ol volum e at S TP num ber of repres entative particles
  • 18. 35 g Al x 1 mol m a ss 27 g 35 g Al x 1 mol m olar m as s= 1 m ol 1 m ol 27g m olar m as s m o le s 1 m ol 6.02 x 10 23 particles 22.4L 1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m ol volum e at S TP num ber of repres entative particles
  • 19. 35 g Al x 1 mol m a ss 27 g 35 mol Al m olar m as s= 1 m ol 1 m ol 27 m olar m as s= 1.3 mols Al m o le s 1 m ol 6.02 x 10 23 particles 22.4L 1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m ol volum e at S TP num ber of repres entative particles
  • 20. m a ss ? mass SiO2 m olar m as s 1 m ol 1 m ol m olar m as s m o le s 0.8 moles SiO2 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 21. m a ss ? mass SiO2 m olar m as s 1 m ol 1 m ol m olar m as s m o le s 0.8 moles SiO2 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 22. 60.1 g SiO2 m a ss 0.8 moles SiO2 x 1 mole SiO2 m olar m as s = 0.8 x 60.1 g SiO2 1 m ol 1 m ol m olar m as s = 48.1 g SiO2 m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of repres entative particles
  • 23. m as s m olar m as s 1 m ol 1 m ol m olar m as s m oles 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of r e p r e s e n t a t iv e p a r t ic le s
  • 24. 200 g N2O m a ss m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of r e p r e s e n t a t i v e ? molecules N2O p a r tic le s
  • 25. 200 g N2O m a ss m olar m as s 1 m ol 1 m ol m olar m as s m o le s 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol 22.4L 6.02 x 10 23 particles 1 m olvolum eat S TP num ber of r e p r e s e n ta tiv e ? molecules N2O p a r tic le s
  • 26. 1 mole N2O 6.02 x 1023 molecules N2O 200 g N2O x x 44.0 g N2O 1 mole N2O m a ss 200 x 6.02 x 1023 molecules N2O = 44.0 m olar m as s 24 1 m ol 1 m ol = 2.74 x 10 molecules N2O m olar m as s this m o le s is so 1 m ol 6.02 x 10 23 particles22.4L1 m ol 1 m ol cool! 22.4L 6.02 x 10 23 particles ! 1 m olvolum eat S TP num ber of r e p r e s e n ta tiv e p a r tic le s