posted by Andrew .
If there were two solutions- one with areagent(100% pure) mixed in water and the other solution containing the same reagent (99.9% pure) mixed in equal volume of water. How significant would the difference in concentration be between these two solutions?
It all depends upon how accurate the results are to be. This is like asking a millionaire if the loss of a dime would be significant. Of course it would not. But if you asked a child for the only dime s/he has, do you think the chile will give it up or run away?