2.5 Solutions and pH Flashcards
1
Q
What is a buffer?
A
something that helps maintain a constant pH
2
Q
What is a solution?
A
a substance dissolved in another
3
Q
Levels of concentration
A
Neutral: H3O=OH
Acidic: H3O < OH
Basic: H3O > OH
4
Q
How can you tell when a solution is more concentration?
A
More concentrated= more solute
Less concentration= less solute
5
Q
pH
A
measures H3O on a logarithmic scale
6
Q
What is cohesion?
A
Hydrogen bonding between H2O molecules
7
Q
What is adhesion?
A
Hydrogen bonding between H2O and other substances
8
Q
What are the 5 properties of water?
A
- Cohesion+ adhesion
- water is the solvent of life
- ice is less dense than liquid water
- high specific heat
- heat of vaporization
9
Q
A
