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Purpose of Experiment: To use and calculate empirical and molecular formulas.

  1. 1 screenshot of the correct page
  2. 1-2 screenshots of the math steps used to solve the problem (showing all your math steps)

Go to lab: http://chemcollective.org/chem/curriculum/stoich/empform.php

All of the instructions for this lab are located within ChemCollective. Calculate the empirical formula of the compound given and take a screenshot of the “Correct” or “Incorrect” screen. You are able to try again if you see an “Incorrect” screen. Be sure to expand the page by pressing “click here if you want of the step by step help to solve this problem” and fill in the equations. Submit a zip file of all screenshots for this lab activity.

For assistance taking a screenshot, refer to the following guide.

For assistance zipping files together, refer to the following guide.

Submit your completed assignment by following the directions linked below. Please check the Course Calendar for specific due dates.

The name of the file should be your first initial and last name, followed by an underscore and the name of the assignment, and an underscore and the date. An example is shown below:

Jstudent_exampleproblem_101504

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