Wednesday
March 4, 2015

Homework Help: College Chemistry (DrBob222)

Posted by Anonymous on Tuesday, March 25, 2014 at 4:52pm.

You have 120.0 mL of a 0.245 M solution of NaCl in an open beaker. After several days, you
test the solution and find that it now has a concentration of 0.348 M. How much water must
have evaporated from the beaker given the new concentration?

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