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Use the Solubility Rules to answer the question below. The Solubility Rules may

ID: 919802 • Letter: U

Question

Use the Solubility Rules to answer the question below. The Solubility Rules may be found on your practice exam 4 formula sheet or the link Solubility Rules. If using the link, please be sure to include Cu1+ as an exception which precipitates in Rule 3.

A solution is known to contain one of the following cations: Tl1+, Al3+, Na1+, Pb2+, or Cs1+.
The addition of chloride ion to part of the solution had no apparent effect, but addition of CrO42- ion resulted in a precipitate.
What is the identity of the cation in the original solution?

Explanation / Answer

Use the Solubility Rules to answer the question below. The Solubility Rules may