Assignment 2: Mole Calculations Practice
- Due Apr 5, 2020 by 11:59pm
- Points 12
- Submitting a file upload
- File Types jpg, png, doc, docx, and pdf
- Available Apr 1, 2020 at 12am - May 20, 2020 at 11:59pm
DIRECTIONS
Complete the following practice problems. You must show all work in your own handwriting to receive full credit. You MUST use dimensional analysis or you will not earn any credit. Upload your completed work as an individual picture (jpeg, png) or as embedded in a word processing document (pdf, doc). Points will be awarded according to the rubric.
HELPFUL RESOURCES
- Periodic table
- Polyatomic ions list
- Calculator
1. Find the number of atoms in 43.6 grams of sulfur.
2. Find the mass in grams of 1.20 x 1024 atoms of magnesium.
Rubric
Please include a title
Keep in mind that 40 students have already been assessed using this rubric. Changing it will affect their evaluations.
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Work Units
Units in the correct locations in work/dimensional analysis
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Work Numbers
Numbers in the correct locations in work/dimensional analysis
threshold:
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Answer
Numerical answer is correct
threshold:
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Significant Figures
Answers are correctly rounded in questions #2 and 3
threshold:
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Answer units
Answer is labeled with the correct units
threshold:
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