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October 25, 2014

Homework Help: chemistry

Posted by Allyse on Saturday, October 9, 2010 at 1:22am.

In a laboratory experiment, a 18.0 ml sample of NaCl solution is poured into an evaporating dish with a mass of 24.00 g. The combined mass of the evaporating dish and NaCl solution is 37.15g. After heating, the evaporating dish and dry NaCl have a combined mass of 26.50 g.
If water is added to 18.0 ml of the initial NaCl solution to give a final volume of 80.0 ml, what is the molarity of the dilute NaCl solution?

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