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27 Nov 2019

Combining aqueous solutions of BaI2 and Na2SO4 gives a precipitate.Which ion(s) is/are spectator ions in the reaction?
Answer a. SO42- and I-
b. Ba2+ and SO42-
c. Ba2+ only
d. Na+ only
e. Na+ and I-



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Jean Keeling
Jean KeelingLv2
20 Jul 2019

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