Homework Help: chemistry

Posted by ste on Thursday, February 3, 2011 at 10:58pm.

how to prepare approximately 100 ml of a .12M copper (II) chloride solution using a 50.5% by mass copper (II) chloride that has a density of 1.05 g/ml

chemistry - DrBob222, Friday, February 4, 2011 at 12:24pm
50.5% by mass means 50.5 g CuCl2/100 g soln.
Convert that to molarity, then use the dilution formula of
mL x M = mL x M.

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