### Stoichiometry. Atoms, molecules, moles (24)

Chemistry: Stoichiometry. Atoms and molecules. Unit conversion, metric prefixes, equivalence statements. Atomic mass unit (amu), mole, Avogadro's number, molar mass. Converting between grams and moles; converting between grams and atoms or molecules This is a recording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like" basis. You can pay for the use of the videos at my website: http://www.freelance-teacher.com/videos.htm For a document containing a problem discussed in this video series, and for a handout covering material from this series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: http://www.youtube.com/watch?v=E9Ox8aZqVN8&feature=PlayList&p=A4679882327E5D89&index=0&playnext=1 (1) Atoms, protons, electrons, atomic number, cations, anions (2) Continued. Atomic mass unit (amu), neutrons, isotopes, atomic masses (3) Continued. Mole, Avogadro's number (4) Continued. Charge, elementary charge unit (e) (5) Unit conversion (also known as "dimensional analysis"), equivalence statements, metric prefixes (6) Unit conversion continued (7) Continued (8) Another unit conversion example (9) Another example (10) Molar mass. Converting between grams and moles: an example (11) Two more examples (12) Converting between atoms and grams: an example (13) Continued (14) Another example (15) Molecules, molar mass (16) Continued (17) A problem (18) Continued (19) Continued (20) Equivalence statements you can derive from molecular formulas (21) Continued (22) More problems (23) Continued (24) Continued. More problems (25) More problems (26) Continued

Length:
10:06