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Topic: Compounds of copper  (Read 3106 times)

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Offline Misty

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Compounds of copper
« on: October 08, 2007, 02:11:17 PM »
Hi,

If an aqueous solution of copper(II) nitrate Cu(NO3)2(aq) is made from 4.758g of Cu(NO3)2.2.5H2O(s), will there also be 4.758g of copper(II) nitrate? Or do I use the equation Cu(NO3)2.2.5H2O(s) --> Cu(NO3)2(aq) + H2O

Offline Borek

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Re: Compounds of copper
« Reply #1 on: October 08, 2007, 03:50:22 PM »
More like the second approach. Note that you are most likely interested in molar concentration - so you just calculate number of moles of Cu(NO3)2.2.5H2O(s) - taking water molecules into account when calculating salt molar mass.
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