Chemteacher

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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 2017-02-01 by in 1617 and tagged , .

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