from the mass of Ni(DMG)2 precipitate isolated, determine the mass of Ni present. The mass of...

Question

from the mass of Ni(DMG)2 precipitate isolated, determine the mass of Ni present. The mass of Ni(DMG)2precipitateis 0.0779g.

Robert · Accepted Answer

Solution TTs291012_51130_10
Mol. Wt. of Ni(DMG)2 = 288.91 g 
0.0779g  Ni(DMG)2 = (0.0779 / 288.91) moles = 2.69×10
-4 moles  
The ionic equation for the precipitation reaction can be written as: 
                        Ni2+  +  2 DMG --- Ni(DMG)2 
One mole of Ni(DMG)2.

from the mass of Ni(DMG)2 precipitate isolated, determine the mass of Ni present. The mass of Ni(DMG)2precipitateis 0.0779g.

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