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# Simple calculation watch

1. Hi, if the enthalpy change for 2.5 x 10^-2 moles of CuSO4 being displaced is 5.5kJ, then for one 1 mole of CuSO4 would it be:

Mr of CuSO4/0.025

and then that answer multiplied by

5.5?

Thanks, I'm just a little confused at the moment.
2. (Original post by Kyoto)
Hi, if the enthalpy change for 2.5 x 10^-2 moles of CuSO4 being displaced is 5.5kJ, then for one 1 mole of CuSO4 would it be:

Mr of CuSO4/0.025

and then that answer multiplied by

5.5?

Thanks, I'm just a little confused at the moment.
erm i think u just divide the 5.5kJ by 2.5 x 10^-2 and you get your answer.

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Updated: November 22, 2005
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