Intro Solution Chemistry (APAC)

Created by peoneill Teacher

Solution

a homogeneous mixture of two or more substances

Solvent

a liquid substance capable of dissolving other substances (majority of the solution)

Solute

the dissolved substance in a solution

Density of Water

1.0g/mL (unless stated otherwise)

Molarity (M)

Moles of solute/L of solution, unit: mol/L

Mole Fraction (X)

Moles of component/∑ moles, unitless

Dilution

weakening (reducing the concentration) by the addition of water or a thinner

Saturated

No more solute will dissolve

Unsaturated

More solute will dissolve

Supersaturated

More solute is dissolved than should be possible under normal conditions

How does something become supersaturated?

1. Temp - Heat: particles move faster, more solubility
Cool: solute won't necessarily precipitate
2. Evaporation - Saturated soln evaporates; V down, C up

Dilution Formula

M(i)V(i) = M(f)V(f)

Concentration

the strength of a solution

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