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Chemical Concentrations: The concentration of a solution is a measure of the amount of solute that is dissolved in a given quantity of solvent.
–A dilute solution is one that contains a small amount of solute.
–A concentrated solution contains a large amount of solute.
The Mole: The mole is the SI unit for the amount of chemical species. The mole is associated with a chemical formula and Avogadro’s number (6.022 x 1023) of particles. The molar mass (M) of a substance is the mass in grams of one mole of the substance. Molar masses are calculated by summing the atomic masses of all the elements appearing in a chemical formula.
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