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  3. 4 identify which of the possible unknowns for this experiment...

Question: 4 identify which of the possible unknowns for this experiment...

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4. Identify which of the possible unknowns for this experiment would give the following behavior.

  • A clear, colorless solution of the unknown tested acidic to indicator paper.
  • Testing with indicator paper indicate that the solution had an acidic pH.
  • Nothing was observed when KOH was added to the first test tube.
  • Nothing was observed when AgNO3(aq) was added to the second test tube.
  • A white precipitate formed when BaCl2(aq) was added to the third test tube.

(Note that under the conditions used in our lab experiment, Ag2SO4 does not form a precipitate.) Write a balanced molecular equation including states of matter for the reaction observed between this compound and BaCl2.

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