2-Step Stoichiometry
Presentation
•
Chemistry, Science
•
10th Grade
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Practice Problem
•
Medium
Standards-aligned
Bethany Willis
Used 52+ times
FREE Resource
9 Slides • 6 Questions
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Multi-Step Stoichiometry
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Some problems cannot be solved with a single conversion factor.
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Multiple Select
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Multiple Select
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Multiple Select
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Step 1
As always, start with the known over 1.
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Step 2
Next, choose the conversion factor that cancels out the known.
If the known is grams or particles, start with molar mass or Avogadro's number.
If the known is moles, start with the equation conversion factor.
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Step 3
Add a conversion factor that cancels out everything EXCEPT the unknown.
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Step 4
Just like normal, multiply the top and divide the bottom.
This math will be 14 x 1 x 31.998 / 1 / 2 / 1
Calculate the answer and type it onto the next slide.
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Fill in the Blanks
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Fill in the Blanks
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Fill in the Blanks
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Unit
Finally, your unit is whatever did NOT cancel out.
Multi-Step Stoichiometry
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