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Conversion Factors

Conversion Factors. In chemistry, it is often useful to be able to convert from one unit of measure to another. For example: mass of a substance converted to the number of atoms in that substance, or converting from one metric unit to another metric unit.

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Conversion Factors

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  1. Conversion Factors

  2. In chemistry, it is often useful to be able to convert from one unit of measure to another For example: mass of a substance converted to the number of atoms in that substance, or converting from one metric unit to another metric unit

  3. First we will see how it works withdozen.

  4. You know that a dozen is 12 of something. If you have 36 donuts, how many dozen donuts do you have?

  5. Use this relationship to convert from individual donuts to dozen donuts: You want to know how many dozen in 36 donuts, and you know there is 1 dozen per 12 donuts, or 1 dozen 12 donuts

  6. 1 dozen 12 donuts 36 donuts x In the problem how many dozen in 36 donuts, you know there is 1 dozen per 12 donuts, or 1 dozen Use this relationship to convert from individual donuts to dozen donuts: 12 donuts

  7. In the problem how many dozen in 36 donuts, you know there is 1 dozen per 12 donuts, or 1 dozen Use this relationship to convert from individual donuts to dozen donuts: 12 donuts 1 dozen 12 donuts 36 donuts x 1 dozen 12 donuts 36 donuts x =

  8. 36 dozen 12 = In the problem how many dozen in 36 donuts, you know there is 1 dozen per 12 donuts, or 1 dozen Use this relationship to convert from individual donuts to dozen donuts: 12 donuts 1 dozen 12 donuts 36 donuts x 1 dozen 12 donuts 36 donuts x =

  9. 36 dozen 12 = 3 dozen = In the problem how many dozen in 36 donuts, you know there is 1 dozen per 12 donuts, or 1 dozen Use this relationship to convert from individual donuts to dozen donuts: 12 donuts 1 dozen 12 donuts 36 donuts x 1 dozen 12 donuts 36 donuts x =

  10. 36 dozen 12 = 3 dozen = In the problem how many dozen in 36 donuts, you know there is 1 dozen per 12 donuts, or 1 dozen Use this relationship to convert from individual donuts to dozen donuts: 12 donuts 1 dozen 12 donuts 36 donuts x 1 dozen 12 donuts 36 donuts x =

  11. there are 12 donuts in 1 dozen 12 donuts 2.5 dozen x 1 dozen If you have 2.5 dozen donuts, how many individual donuts are there?

  12. 2.5 dozen x 12 donuts 1 dozen 2.5 x 12 donuts = 1 30 donuts = If you have 2.5 dozen donuts, how many individual donuts are there? 12 donuts 2.5 dozen x = 1 dozen

  13. Let’s try converting donut mass to number of donuts…

  14. If you have 9900 grams of donuts, how many donuts do you have if each donut has a mass of 150 grams?

  15. If you have 9900 grams of donuts, how many donuts do you have if each donut has a mass of 150 grams? What is the relationship between grams and donuts? 150 grams = 1 donut

  16. 150 g 1 donut = 1 1 donut 150 g = 1 150 g = 1 donut these are your conversion factors

  17. 150 g 1 donut = 1 1 donut 150 g = 1 150 g = 1 donut converts donuts to grams (grams on top)

  18. 150 g 1 donut = 1 1 donut 150 g = 1 150 g = 1 donut converts grams to donuts (donuts on top)

  19. The question is… If you have 9900 grams of donuts, how many donuts do you have if each donut has a mass of 150 grams?

  20. begin with the amount given in the problem The question is… 9900 grams If you have 9900 grams of donuts, how many donuts do you have if each donut has a mass of 150 grams? 9900 grams

  21. 1 donut 150 g converts grams to donuts The question is… If you have 9900 grams of donuts, how many donuts do you have if each donut has a mass of 150 grams? each donut has a mass of 150 grams 9900 grams x

  22. The question is… If you have 9900 grams of donuts, how many donuts do you have if each donut has a mass of 150 grams? how many donuts do you have

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