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Posted by on Wednesday, January 18, 2012 at 6:30pm.

Suppose 0.432g of zinc acetate is dissolved in 200.mL of a 16.0mM aqueous solution of ammonium sulfate.

Calculate the final molarity of acetate anion in the solution. You can assume the volume of the solution doesn't change when the zinc acetate is dissolved in it.

  • chemistry - , Wednesday, January 18, 2012 at 8:27pm

    Zn(C2H3O2)2 = Zn(Ac)2
    0.432 g Zn(Ac)2/mol mass = moles Zn(Ac)2
    mols Ac^- = 2 x moles Zn(Ac)2
    M Ac^- = mols Ac^-/L soln.

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