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Of all the reactions you performed, how many resulted in a precipitate and how many did not? Make a general statement about the interaction of aqueous ionic compounds, using the term double-displacement reaction.

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Answer:

Double displacement is a type of chemical reaction where two compounds react, and the positive ions (cation) and the negative ions (anion) of the two reactants switch places, forming two new compounds or products.

  • Na2s + Hcl ------ Nacl + H2s
  • Naoh + CaBr2 -------NaBr + ca(oH)2

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