You have 100.0 mL of a 0.2500 M solution of NaCl sitting in a beaker. After several days you test the solution and find that it is now 0.4142M. How much water must have evaporated?
A) 60.4 mL
B) 39.6 mL
C) 16.4 mL
D) 100.0 mL
E) The concentration will not change because of evaporation.
Correct Answer:
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