Assignment 1: Molar Mass Calculations Practice - due 4/5/20 at 11:59pm
- Due Apr 5, 2020 by 11:59pm
- Points 16
- 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. On questions #2 and 3, 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. Determine molar mass of aluminum oxide.
2. Convert 91.9 grams of ammonium nitrate to moles.
3. Convert 0.180 moles of copper (II) sulfate to grams.
Rubric
Please include a title
Keep in mind that 43 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
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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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