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final concentrations unknown volume

 
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Jul28-12, 07:47 PM   #1
 

final concentrations unknown volume

Hi
I have a known volume of water with a known concentration of calcium.
I want to bring that volume up to a new (slightly) higher volume with a new (slightly) higher concentration. To do this I am adding a solution with a known concentration of Ca but cannot remember how to calculate the volume (of the second solution) I need to get to the final concentration. I cannot adjust the concentration of the second substance, I can only adjust the volume.
thanks
 
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Jul31-12, 09:07 AM   #2
 
Use the equation: C1V1 = C2V2
 
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