á concentration refers to the amount of material dissolved in a measure (volume) of liquid.
á the more solute dissolved in a given amount of solvent, the more concentrated the solution.
á the opposite of concentrated is diluted
Concentrated vs Dilute
á solutions with a high ratio of solute to solvent are concentrated or strong (ex. 7:1 seven parts solute to 1 part solvent)
á solutions with a low ratio of solute to solvent are dilute or weak (ex. 1:7 one part solute to 7 parts solvent)
Concentration vs Saturation
á Concentration is a ratio of solute to solvent that can range 0% to 100% concentrated or more
á Saturation describes a solution that is always 100% concentrated
Example:
if a solution is saturated, its concentration is 100% because no more solute will dissolve
if a solution is half saturated, its concentration is 50%
Questions
How would we make a solution more dilute?
How would we make a solution more concentrated?
What is the percent concentration of a solution that is one-fourth saturated? 25%