Homework Help: Chemistry

Posted by Alison on Wednesday, April 4, 2007 at 8:03pm.

Write the formulas of the ions (including charges) present in aqueous solutions of the following:
K2CO3
NH4NO3
NA2Cr2O7
Mg(C2H3O2)2

Make sure it is both mass and charge balanced.

Here is a listing of many polyatomic ions. This should give you a start. Post with specific questions but tell us what you don't understand about it.
http://www.nauticom.net/users/jihall/bill/ions.htm

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