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Significant Figures and the Mole

  • Master rules for significant figures: leading and trailing zeroes; use of scientific notation a x10 to a positive or negative power

  • The mole: Avogadro’s number of a specified entity (atom, molecule, electron etc.)

  • Molar masses: just add up the amus and put g (grams) at the end.

  • Practice interconversions between masses and numbers of moles

Significant Figures and the Mole

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

Advanced Placement Chemistry