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Question
A student is given a sample in lab that contains one of the ions listed below. After adding a few drops of AgNO3 solution to a portion of the unknown sample, the student observed a grayish precipitate. After adding a few drops of Mg(NO3)2 solution to another portion of the unknown sample, the student got a black precipitate. Based on these observations, what is the only possible ion in this student's sample?
A) Cl-
B) F-
C) C2H3O2-
D) S2-
E) SO42-
Answer
This answer is hidden. It contains 1 characters.
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