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chemistry

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Which of the following solutions will not form a precipitate when added to 0.10M NaOH?

a)0.10 M MgBr2
b) 0.10 M NH4Br
c) 0.10 M FeCL2

  • chemistry -

    To answer this question you must know the solubilities of substances. Here is a simplified list. For example, look on this chart and you will see that Fe(OH)2 is insoluble is soluble.
    http://en.wikipedia.org/wiki/Solubility_table#P

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