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Unit Conversion the Easy Way (Dimensional Analysis)

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Mole Conversions Made Easy: How to Convert Between Grams and Moles

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Finally! DO this in your nano journal! SHOW ALL WORK :)

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Finally! DO this in your nano journal! SHOW ALL WORK :)

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Test yourself! Try as many of these as you like to make sure you understand SF.

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Test yourself! Try as many of these as you like to make sure you understand SF.

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Watch and read what you need to from the 3 options to review sig figs AND take notes in your journal!

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Determine how many significant digits there are in the following quantities.

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If you are doing a mix of addition, subtraction, multiplication, and division, then you need to be REALLY careful!You need to do the addition and subtraction first , looking at decimal places and writing down the answer to the correctdecimal places before doing the multiplication and division, but this time, noting the correctsignificant figures .(If you don't know what I mean, you should go to the "Tutorials on Significant Figures" and review Step 4 "Keeping Track of Significant Figures During Calculations."If you are working with the printed handout from class, this is on page 5.

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Significant Figures | Add, Subtract, Multiply & Divide Sig Figs | Chemistry Physics Engineering

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Counting Significant Figures - Regents Chemistry Review

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Focus on these rules and learn them well. They will be used extensively throughout the remainder of this course. You would be well advised to do as many problems as needed to nail the concept of significant figures down tight and then do some more, just to be sure.