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Concentration of Solutions
vocab and main ideas- 16.2
11
Chemistry
11th Grade
04/29/2009

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Term
a measurement of the amount of solute that is dissolved in a given quantity of solvent; usually expressed as mol/L
Definition
concentration
Term
a solution that contains a small amount of solute
Definition
dilute solution
Term
a solution containing a large amount of solute
Definition
concentrated solution
Term
the concentration of solute in a solution expressed as the number of moles of solute dissolved in 1 liter of solution
Definition
molarity (M)
Term
molarity equation
Definition
moles of solute/ liters of solution
Term
moles of solute equation
Definition
molarity times liters of solution (M1 time V1)
Term
M1 time V1=
Definition
moles of solute AND M2 times V2
Term
percent by volume equation
Definition
volume of solute/ volume of solution times 100%
Term
percent by mass equation
Definition
mass of solute/ mass of solution times 100%
Term
does the total number of moles of solute change during dilution?
Definition
No, but the number of moles per unit volume decreases
Term
using what measure can the concentration of a solution by percent be expressed?
Definition
using volume (Liter) or mass (gram)
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