Lecture_46_Molarity

# Lecture_46_Molarity - M V = mol 15.6 Dilution Stock...

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Lecture 46: Molarity 15.5 Solution Composition: Molarity A solution is described in terms of concentration. The most common expression of concentration is molarity (M) Molarity is the number of moles of solute per volume of a solution in liters. M = molarity = moles/volume = A one molar solution (1.0 M) contains 1.0 mol of solute per liter of solution. Sometimes we can rearrange the above equation to solve for the number of moles.
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Unformatted text preview: M * V = mol 15.6 Dilution Stock solutions are purchased or prepared concentrated solutions. Adding solvent to a solution is called dilution; that is, the moles of solute do not change in dilutions. M 1 * V 1 = mole of solute = M 2 * V 2 Moles of solute Liters of solution...
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