10.3.1: A Mole Map for Concentration

• Anonymous
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When we make stoichiometric calculations on solutions, we will be using molarity as the measure of concentration. Remember, the formula for molarity is:

$\mathrm{molarity=\dfrac{number\: of\: moles\: of\: solute}{number\: of\: liters\: of\: solution}} \label{defMolarity}$

You have already seen a few examples of calculations using the definition of molarity. There are numerous possible ways to use the molarity concept in a calculation. You could be using molarity as a conversion factor to find either moles of solute for liters of solution. Or you could be finding the molarity if provided the moles of solute and liters of solution. And of course, the point of a mole roadmap is to have a method for going through a series of several calculations, so you would not necessarily be given everything that is suggested in the examples above in every single problem.

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