EXPT 4:
Water of Hydration
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Experiment 4 - Water of Hydration

Postlab Questions:

  1. Briefly explain observations of the temperature changed observed in Part B of the experiment.
  2. Write the chemical and word equations for reactions, which occurred in Part A and Part B of the experiment.
  3. Discuss the one most significant source of error for Part A and another most significant source of error for Part B. These sources of error must be related to the design of the experiment. Do not include human error as the sources of error.
  4. Write the chemical and word equation for the reaction which occurs when the hydrated salt is heated. Is this an endothermic or exothermic reaction? Explain.
  5. Calculate the percent water in sodium dichromate dihydrate ().

 

 

 

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