Copper Two

Copper Two

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Copper Two

Stoichmetry?

when copper two nitrate reacts with sodium hydroxide copper two hydroxide is one of the products formed. how many grams of copper two hydroxide can be prepared from 12.7 grams of copper two nitrate?

Cu(NO3)2 + 2Na(OH) -> 2NaNO3 + Cu(OH)2

moles of Cu(NO3)2 = moles of Cu(OH)2
(You can see this from the equation)

Convert grams of Cu(NO3)2 to moles of Cu(NO3)2 by dividing by the GFM:

GFM of Cu(NO3)2 is 187.57 g/mol
(12.7g) / (187.57g/mol) = 0.0677mol
So in this chemical reaction you have 0.0677 moles of Copper (II) Nitrate

moles of Cu(OH)2 = moles of Cu(NO3)2 = 0.0677mol
This means you also have 0.0677 moles of Copper (II) Hydroxide.

Now convert moles of Copper (II) Hydroxide to grams of Copper (II) Hydroxide by multiplying by the GFM:
GFM of Cu(OH)2 is 97.57 g/mol
(0.0677mol) * (97.57g/mol) = 6.61g

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