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Chemistry

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Decide whether each of the following is water-soluble. If soluble tell what ions are produced.
A. Na2CO3
B. CuSO4
C.NiS
D.BaBr2
I put soluble for A, B, and D. But i can not figure out the ions that are produced??

  • Chemistry -

    JuCt ionize them.
    Na2CO3 ==> 2Na^+ + CO3^-2
    CuSO4 ==> Cu^+2 + SO4^-2
    BaBr2 ==> ?? + ??

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