Solubility
Solubility Curves
More Solubility
Acids & Bases
More Acids and Bases
100
What could you do to SLOW DOWN dissolving?
Remove heat, use larger pieces, stop stirring
100
What type of solution is represented by the point on the curve?
Saturated solution
100
How do you know a substance dissolved in water is an electrolyte?
Conducts electricity!
100
Which substance is closest to neutral?
Milk
100
Acids turn litmus paper ________, bases turn litmus paper ________
Acids- RED
Bases- BLUE
200
What THREE factors increase the solubility of a solid?
Stirring, heat, and small size!
200
What is happening to the solubility of all three solids as temperature increases?
Solubility INCREASES with temperature
200
Which beaker would dissolve a solid the fastest?
Beaker A: 30°C
Beaker B: 40°C
Beaker C: 50°C
Beaker D: 60°C
Beaker D
200
Give an example of a possible pH of a BASE
Anything over 7!
200
What is used to determine the pH of a substance?
Indicator
300
Which solution has the highest salt concentration?
A
300
Which point represents a solution with too much solute for the given temperature?
1
300
A solution in which MORE solute can be added
UNSATURATED
300
Give an example of a possible pH of an ACID
Anything below 7
300
Give an example of a FORMULA for a compound that is a BASE
NaOH
(Anything that ends with OH)
400
Create a solubility graph with one line for SOLIDS and one line for GASES:
400
What is the solubility of sugar at 20 degrees Celsius?
200 grams
400
Given a small amount of salt water, what TWO things can you do to make the salt water safer to drink?
Filter out the salt OR add a lot more water
400
What would be a possible pH for a WEAK base?
7.5 - 8.5
400
What would you use to neutralize a strong acid?
A (strong) base
500
What TWO substances have the SAME solubility at the same temperature?
Q & S
500
Which solute has the greatest solubility as temperature increases?
Na2HAsO4
500
Given a specific amount of solute and solvent, what TWO things could you do to increase the concentration of a solution?
INCREASE solute
DECREASE solvent
500
In order to neutralize acidic soil, you should look for a fertilizer with 1) what kind of ions to 2) raise or lower the pH?
OH- ions to RAISE the pH of the soil!
500
If a solution turns litmus paper red, what kind of ions does it release in solution?
H+