Chemistry - Solutions (Concentration)

solute solvent

the number of moles of a ___ doesn't change if you add more ___ to the solution

molarity

the number of moles of solute in one liter of the solution

molality

the number of moles of solute per kilogram of solvent

mole fraction

the ratio of moles of solute to the total number of moles of solute and solvent

solvent

the substance in a solution that does the dissolving

solute

the substance in a solution that is dissolved

solute solvent volume

to make a solution... - Pour a small amount of ___ - add the ___ - Carefully fill to final ___

solute

which is the smaller amount of a solution, the solute or the solvent

solutions

Kinds of ___ include: - solid/liquid - liquid/liquid - gas/liquid - gas/solid

mol/L

M =

M2 • V2

M1 • V1 = - M is concentration - V is volume

dilution

adding water to a solution

mol of solute/Kg of solvent

m =

m

molality is represented by ___

M

molarity is represented by __ - in a numerical answer you can say 3 molar

X

mole fraction is represented by

number of moles after

number of moles before =

percent

part per 100

vol solute/vol solution • 100 (you can also use the mass of the solute instead of the volume)

percent concentration of a solution =

solution

solute + solvent

Na/Na + Nb

X =

concentration

a measure of the amount of solute dissolved in a given quantity of solvent

concentrated solution

a solution with a large amount of solute

diluted solution

a solution with a small amount of solute