solutions pt 2 Flashcards
is the process of “lowering the concentration of a solute in a solution by simply adding more solvent to the solution, such as water.”
Dilution
t or f
Diluting a solution entails increasing the concentration of a solute in a solution by adding more solvent without adding more solute.
f
Diluting a solution entails decreasing the concentration of a solute in a solution by adding more solvent without adding more solute.
Properties that depend only on the number of solute particles in solution and not on the nature of the solute particles.
colligative properties
they depend on the ratio of the solute amount and solvent amount
colligative properties
3 properties of colligative properties
vapor pressure lowering
freezing point depression
boiling point elevation
2 types of solute
electrolytes
nonelectrolytes
Completely dissociate in a solution, producing more particles, which leads to a greater impact on colligative properties.
electrolytes
→ A constant for electrolytes
→ It is a unitless constant directly
associated with the degree of dissociation of the solute in the solvent
→ Denoted by “i”
THE VAN’T HOFF FACTOR
Do not dissociate in a solution; they remain intact.
nonelectrolytes
true or false
The Van’tHoff Factor for strong
electrolytes is typically lower than 1, as they dissociate into multiple ions in solution.
false
The Van’tHoff Factor for strong
electrolytes is typically greater than 1, as they dissociate into multiple ions in solution.
The value of i equals the number of ions formed when the solute dissociates.
just take note lol
<33
true or false
Van’tHoff Factor is always 1for
non-electrolytes, as they do not dissociate into ions.
true
The presence of a solute leads to —— of the solution when compared to the vapor pressure of the pure solvent
lowering of the vapor pressure
is the pressure above a solution
and is influenced by the type of solute: volatile or non-volatile.
vapor pressure
