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Topic: how to balance equations  (Read 3144 times)

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Offline MichelleL

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how to balance equations
« on: March 03, 2009, 03:25:43 PM »
I'm not understanding now to balance equations. the questions states Copper (II) chloride reacts with sodium nitrate, and copper (II) nitrate and sodium chloride are formed. a) Write the balanced equation for this reaction.

What i understand is there is Cu Cl + Na N = NU N = Na Cl 
I kinda thought it was CuCl2 + NAN2 + CuN2 + NaCL2 but i know that didn't make sense... If i was at lease givin the skeliton then i am able to balance. but when it is a word equation.... I am lost

... I looked at the back of the book and seen .
CuCL2 + 2NANO3 = Cu(NO3)2 + 2NaCL

now i am confused where O oxygen came from in the equation....?

Offline sjb

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Re: how to balance equations
« Reply #1 on: March 03, 2009, 03:57:09 PM »
What's the formula of the nitrate ion?

Offline frenchy

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Re: how to balance equations
« Reply #2 on: March 03, 2009, 04:52:17 PM »
Sodium nitrate is NaNO3

NaN doesn't exist. NaN3, Sodium azide does
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Offline Borek

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Re: how to balance equations
« Reply #3 on: March 03, 2009, 05:14:51 PM »
Na3N - sodium nitride - has been reported as well.
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Offline MichelleL

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Re: how to balance equations
« Reply #4 on: March 03, 2009, 11:24:44 PM »
ok thank you very much. I understand now.

I feel like the more ahead I go... the more I starting loosing what  i already learned. I think it's time to slow down a bit for me. 

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