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March 28, 2017

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Write the net ionic equation for the reaction of calcium nitrate and sodium phosphate

  • Chemistry Help - ,

    I assume these are aqueous solutions.
    First write and balance the molecular equation.
    3Ca(NO3)2(aq) + 2Na3PO4(aq) ==> Ca3(PO4)2(s) + 6NaNO3

    Then break these up into ions following these rules.
    a. pure liquids are written as molecules.
    b. gases are written as molecules
    c. solids are written as molecules.
    d. All others are written as ions.

    3Ca^2+(aq) + 6NO3^-(aq) + 6Na^+(aq) + 2PO4^3-(aq) ==> Ca3(PO4)2(s) + 6Na^+(aq) + 6NO3^-(aq)

    The above is the complete ionic equation. To change this to the net ionic equation, we cancel any ions that appear on both sides. So we can cancel 6Na^+(aq) and 6NO3^-(aq) which leaves us with
    3Ca^2+(aq) + 2PO4^2-(aq) ==> Ca3(PO4)2(s)

  • Chemistry Help - ,

    Write a balanced net ionic equation for the reaction between calcium ions and sodium carbonate

  • Chemistry Help - ,

    Calcium nitrate + sodium _______ -> _______ hydroxide + _______

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