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Topic: Mass in a calorimetry problem  (Read 3039 times)

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Offline fk378

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Mass in a calorimetry problem
« on: December 18, 2007, 01:30:41 PM »
When given a calorimetry problem that states the molarity of the solution, the volume, and the density, why must the density be used in order to find the mass? Why can't the molarity be used (you can find moles and then use molar mass to convert to grams)???
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Offline enahs

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Re: Mass in a calorimetry problem
« Reply #1 on: December 18, 2007, 02:41:07 PM »
Because you can only use that to find the mass of the solute, but you can not ignore the mass of the solvent.

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