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KSP of Silver Acetate Lab - Need help >.<

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Aurry
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Joined: 18 Dec 2005
Posts: 1

PostPosted: Sun Dec 18, 2005 10:06 pm    Post subject: KSP of Silver Acetate Lab - Need help >.< Reply with quote

Okay, the formula for the reaction is Cu(s) + 2 AgCH3COO(aq) --> Cu(CH3COO)2 (aq) + 2Ag

So far I know that I have 0.00236 mols of copper that reacted, and 0.00472 mols of acetate and silver that have also reacted. (This is all taking place in a 100 mL container).

Now I have to change all these mol values into concentration (mol/L) in order to calculate the Ksp of Silver Acetate, but I don't know how to do the conversion, and I also don't know how to set up the calculation for Ksp.

I think it's ksp = [Cu(CH3COO)2] x [Ag]2 divided by [AgCH3COO]2 but I'm not sure. Help would be much appreciated <3
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RobJim
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Joined: 13 Feb 2005
Posts: 320
Location: Los Angeles, CA

PostPosted: Fri Dec 30, 2005 3:59 am    Post subject: Reply with quote

Concentration is in moles per liter. You know the moles, you know the volume in mL. Change the mL to liters (=0.1 L) and then divide the moles by the liters. For example:

Concentration of Cu = (0.00236 mol)/(0.1 L) = 0.0236 mol/L = 0.0236 M
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