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AP Chemistry basic reaction problem

  1. Aug 23, 2012 #1
    1. The problem statement, all variables and given/known data

    Solutions of cobalt(II) nitrate and sodium hydroxide are mixed.
    What are the solubility rules for the hydroxides?

    and it occurs in a aqueous solution

    2. Relevant equations

    I have no idea how to solve these problems from my chem class lasty year and we will be getting a problem similar to this tommorow (first day AP Chem class) and I was woundering if anyone could walk me through the steps you need to know to solve this and the answer.

    3. The attempt at a solution
     
  2. jcsd
  3. Aug 24, 2012 #2

    AGNuke

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    Gold Member

    Cobalt (II) Nitrate is acidic, and Sodium Hydroxide is an alkali, so they will undergo neutralization reaction. Sodium Nitrate will form and Cobalt Hydroxide will precipitate. It is possible that some Cobalt Hydroxide can undergo thermal decomposition into Cobalt oxide and water due to exothermic neutralization reaction.
     
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