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27 February, 22:03

For the following aqueous reaction, complete and balance the molecular equation and write a net iconic equatio, making sure to include the physical states of the compounds:

Potassium carbonate + Strontium nitrate

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  1. 27 February, 22:23
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    Balance molecular equation:

    K2CO3 (aq) + Sr (NO3) 2 (aq) → SrCO3 (s) + 2KNO3 (aq)

    Net ionic equation:

    CO3∧-2 (aq) + Sr∧+2 (aq) → SrCO3 (s)

    Explanation:

    Potassium carbonate = K2CO3

    Strontium nitrate = Sr (NO3) 2

    Chemical equation:

    K2CO3 + Sr (NO3) 2 → SrCO3 + KNO3

    Balance chemical equation with physical states:

    K2CO3 (aq) + Sr (NO3) 2 (aq) → SrCO3 (s) + 2KNO3 (aq)

    Ionic equation:

    2K + (aq) + CO3∧-2 (aq) + Sr∧+2 (aq) + 2NO∧-3 (aq) → SrCO3 (s) + 2K + (aq) + 2NO∧-3 (aq)

    Net ionic equation:

    CO3∧-2 (aq) + Sr∧+2 (aq) → SrCO3 (s)

    2K + and 2NO∧-3 ions are spectator ions that's way these are not written in net ionic equation.

    Spectator ions:

    These are the ions that are present same on both side of chemical reaction and does not effect the equilibrium.
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