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Percent concentration could mean many things...

MOLARITY is defined as the moles of solute per unit volume of solution so 5 moles of NaCl in one liter of solution would be 5M (molar) NaCl solution.
(Note: Solution is the solvent and solute combined, usually the solid is added and then the solution is filled to a certain line once the solid has dissolved.)


MOLALITY is defined as the moles of solute per kilogram of solvent (NOT solution). So 5 moles of NaCl in one kilogram of water makes 5 mol/kg NaCl. (sometimes the symbol m is used for molality but is often confused with the unit of meters).


For other types of "percent concentration" of solutions check:


http://en.wikipedia.org/wiki/Concentration


A cursory glance seemed to confirm the accuracy of the information.

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βˆ™ 15y ago
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βˆ™ 6mo ago

Percent concentration is a way to express the amount of a substance present in a solution as a percentage of the total solution. It is calculated by dividing the amount of the solute by the total amount of the solution and multiplying by 100. Percent concentration is commonly used in chemistry to describe the strength of a solution.

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Q: What is Percent Concentration?
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