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You only have 15g of sodium to use for this reaction. how much copper(ii must you combine with the sodium to isolate the maximum amount of copper possible.

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MissPhiladelphia
The balanced chemical reaction is:

CuCl2 + 2Na → 2NaCl + Cu 

We are given the amount of sodium to be used up in the reaction. This will be the starting point for our calculations.

15 g Na ( 1 mol / 22.99 ) ( 1 mol Cul2 / 2 mol Na ) (134.45 g / 1 mol ) = 43.86 g CuCl2 needed to be able to obtain the maximum amount of copper.

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