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Understanding Mole Equalities

Test your knowledge of mole equalities with true or false statements regarding atomic masses, grams, and Avogadro's number. Discover the relationships between atoms, grams, moles, and particles in chemistry.

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Understanding Mole Equalities

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  1. Do you know your mole equalities? Answer: True or False

  2. 1 atom = 6.022 x 1023 g

  3. 1 atom = 6.022 x 1023 g False! That is a HUGE mass for 1 atom.

  4. 1g Ca = 1.66 x 10-24atom Ca

  5. 1g Ca = 1.66 x 10-24atom Ca False! You can’t have a fraction of an atom.

  6. 1 amu = 1.66 x 10-24 g

  7. 1 amu = 1.66 x 10-24 g True!

  8. 1 g Si = 28.08 atoms Si

  9. 1 g Si = 28.08 atoms Si False! Again, you can’t have a fraction of an atom.

  10. 1 g = 6.022 x 1023 atoms

  11. 1 g = 6.022 x 1023 atoms False! Well, it is true for one element.

  12. 1g/mol = 6.022 x 1023

  13. 1g/mol = 6.022 x 1023 False!

  14. 1 mol Ca = 40.08 g Ca

  15. 1 mol Ca = 40.08 g Ca True!

  16. 6.022 x 1023g Ca =1 mol Ca

  17. 6.022 x 1023g Ca =1 mol Ca False! Never put Avogadro’s number with grams.

  18. 1 mol = 6.022 x 1023amu

  19. 1 mol = 6.022 x 1023amu False!

  20. 1 mol = 6.022g

  21. 1 mol = 6.022g False! There are no elements with an atomic mass of 6.022g.

  22. 1 atom = 6.022 x 1023g

  23. 1 atom = 6.022 x 1023g False! Still.

  24. 1 mol = 6.022 x 1023 g/atom

  25. 1 mol = 6.022 x 1023 g/atom False!

  26. 1 mol = 6.022 x 1023 particles

  27. 1 mol = 6.022 x 1023 particles True!

  28. 1amu = 6.022 x 10-23 g/mol

  29. 1g/mol = 6.022 x 1023 False!

  30. 1amu = 6.022 x 10-23 g/mol

  31. 1amu = 6.022 x 10-23 g/mol

  32. 1amu = 6.022 x 10-23 g/mol False!

  33. 1 atom Boron =1.795 x 10-23g B

  34. True! 10.81g B x 1 mol B =g/atom mol 6.022 x 1023atoms

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