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CHEM134 Week 4 Lab 4 Assignment

Course : American Public
Contributed : Hennah Gill
  • $20.00
  • CHEM134 Week 4 Lab 4 Assignment
  1. Question: Please upload (in PDF format) your pic of your flask being weighed BEFORE the experiment as explained in Step 10 of the Lab 4 Document. This must be a single picture.
  2. Question: Please upload (in PDF format) your pic of your flask being weighed AFTER the experiment as explained in Step 27 of the Lab 4 Document. This must be a single picture.
  3. Question: Please upload (in PDF format) your pic of your experimental setup as explained in Step 19 of the Lab 4 Document. This must be a single picture.
  4. Question: Please upload (in PDF format) your Table 1 as explained in Steps 38-39 of the Lab 4 Document.
  5. Question: How would leaving molecular sieves uncapped or in an open beaker for an extended period of time affect their functionality (and ultimately, your experiment)? Be specific.
  6. Question: If water condensed under the foil on the flask and was not wiped off before weighing, how would the molar mass differ? Why? Be specific.
  7. Question: If the flask is left on the heat for several minutes after all the liquid had vaporized, how would the molar mass differ? Why? Be specific.
  8. Question: What if not all of the water was taken out of the original 95% ethanol solution? How would the
  9. Question: What are some possible sources of error in this experiment? What procedural adjustments could be made in future trials in an attempt to address these errors?

 

 

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