Identifying Ions

The grade 9 TOPS science class is back with another laboratory experiment. This time, they’re super sleuths testing for the presence of chloride, sulfate, and iron (III) ions. By combining unknown solutions with known ones, students can determine the identity of the mystery ion based on its reaction, or lack thereof. Will this solution stay clear, turn white, or turn red? (Author: Nevetha A.) 

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