Homework Help: College Chemistry

Posted by Anonymous on Thursday, July 12, 2012 at 9:51pm.

given the concentration of 125.0mg/L of Fe(2+)in the stock solution and the volume used which is (1.00mL) how do i calculate the concentration of iron(II) ions in mg/L?

i pipet 1.00mL of the stock into a 250ml volumetric flask!

College Chemistry - DrBopb222, Friday, July 13, 2012 at 12:17am
If you take 1.00 mL of the stock soln contg 125 mg/L and dilute it to 250 mL, the concn in the 250 mL flask is
125.0 mg/L x (1/250) = ? mg/L

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