Name __________________________

Module 3

Post-Lab Assignment

Short Answer (20 points)

Answer the following questions based on material covered in this module. (5 points each)

(You must use complete sentences when answering each question.

1-point deduction per question not answered in complete sentences.)

1) What is the identity of Substance A that remained after the filtrate was evaporated? Give reasons for your choice.

2) What was the identity of the residue that was left on the filter paper? Give reasons for your choice.

3) What is the gas that is produced when the HCl was added to the residue that was left on the filter paper? Give reasons for your choice.

4) The CaCl2 and CaCO3 are separated based on the properties of particle size and solubility in water. Are these physical properties or chemical properties? How do you know?

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