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CH10 – Percent Composition

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Dates

  • P1 – Friday, February 3rd
  • P3 – Thursday, February 2nd
  • P5 – Friday, February 3rd

Recap

  • Mole map / units / reactions
  • How do I draw?
  • Example problem

New Idea – Mass Percent Composition

  • determine the percent by mass of a compound given the formula
  • assume 1 mole – convert to grams – add up – divide by total
  • example

New Idea – Empirical Formula

  • opposite of mass percent process
  • assume 100g – grams to moles – divide by smoles – multiple til whole
  • example

Homework 1

  • No Homework (be ready to apply during next class)
  • Bring LNB to class (for sure!) next time

Homework 2

  • Look at the videos posted in the group
  • Leave a positive (specific) comment on at least one of the posts about what worked well in the video

Information

This entry was posted on February 1, 2017 by in 1617 and tagged , .

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