Crime Scene 3 - Follow the Tracks

At this crime scene you will investigate the the scene of the crime where you find items the murderer left at the scene. Using the clues on the items left at the crime scene, determine what amounts of the various substances were found.

1. Examine the pair of shoes and determine what is the formula of the hydrate?

2. At this crime scene you find some dirt and analyze it. What is the empirical formula for the found in the dirt substance?

3. You take a close look at the footprint and discover something unique.

4. Locate the 2 helium manufacturers on the map below. Calculate the grams of helium involved in this crime.