A chemist places (NH4) 2SO4 in one flask and NaI in another. Water is added to both flasks and the mixture in the first flask is added to the second. Which choice below describes correctly the results of this experiment?
A) Both of the compounds in the flasks dissolve when water is added and NH4I precipitates when the contents of the flasks are mixed.
B) Both of the compounds in the flasks dissolve when water is added and Na2SO4 precipitates when the contents of the flasks are mixed.
C) Both of the compounds in the flasks dissolve when water is added and there is no precipitate when the contents of the flasks are mixed.
D) The (NH4) 2SO4 does not dissolve in water, but the NaI does dissolve. There is no change upon mixing the contents of flasks
E) none of these
Correct Answer:
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