WorksheetspH and Factors that Effect Solubility
Total questions: 30
Worksheet time: 15mins
Which substance is MOST soluble at 20 degrees Celsius?
KNO3
HCl
NaNO3
KI
At what temperature do KNO3 and NaCl have the same solubility?
77 degrees Celsius
0 degrees Celsius
23 degrees Celsius
100 degrees Celsius
What is the solubility of KNO3 at 50 degrees Celsius?
36 g/100 g water
58 g/ 100 g water
100 g / 100 g water
84 g/ 100 g water
A measure of how much solute can be dissolved in a given amount of solvent under a certain condition is called
Polarity
Molarity
Strength
Solubility
Different substances have ___________ solubility curves.
Different
The same
Rainwater can have a pH as low as 3, meaning that rainwater can be very
acidic
neutral
basic
Which of the following is a BASIC solution?
ammonia
vinegar
pure water
Which solution is the most Acidic?
apple juice pH=3
hand soap pH=10
coffee pH=5
What happens to the pH of the acid in your stomach when you take an antacid?
pH increases
pH decreases
pH stats the same
Acids taste
sour
bitter
Bases taste
sour
bitter
A pH of 7.1 - 14 would indicate the solution is
acidic
neutral
basic
A pH of 0 - 6.9 would indicate the solution is
acidic
neutral
basic
A pH of 7 would indicate the solution is
acidic
neutral
basic
What ion found in a solution would make it acidic?
H+
OH-
NH3-
ClO3-
What ion found in a solution would make it basic?
H+
OH-
NH3-
ClO3-
Which of the following would result in being able to dissolve a greater amount of solid in a solution?
Lower the temperature.
Decrease the pressure of the solution.
Increase the pressure of the solution.
Heat the solution.
Which of the following would result in being able to dissolve a greater amount of gas in a solution?
Lower the temperature of the solution.
Decrease the pressure of the solution.
Stir the solution.
Heat the solution.
You have some leftover soda after a party. Eventually, the soda will go flat. Which of the following options will slow the rate at which the CO2 escapes?
Stir the soda.
Store the soda bottle in the fridge.
Store the soda in your hot car.
Store the soda bottle in the room temperature cabinet.
Which of the following would increase the rate of dissolution of a gas?
Cool the solid solute and the solution.
Shake the solution.
Evaporate the solvent.
Break the solvent into smaller particles.
Which of the following would increase the rate of dissolution of a solid?
Cool the solution.
Decrease the surface area of the solute.
Increase the polarity of the solution.
Break the solute into smaller particles.
What happens to the ability of a gas to dissolve when temperature decreases?
There is no change in the solubility of the gas.
The solubility of the gas will increase.
The only factor that affects the solubility of a gas is polarity.
The solubility of most gases will decrease.
What happens to the ability of a solid to dissolve when temperature decreases?
There is no change in the solubility of the solid.
The solubility of most solids will increase.
The only factor that affects the solubility of a solid is polarity.
The solubility of most solids will decrease.
Which factor affecting solubility is shown in the picture?
temperature
height
stirring
particle size
Which factor is shown in the picture?
temperature
particle size
stirring
use of spoon
Why do sugar particles dissolve faster in hot water?
water particles move slow
water particles move fast
water particles settle down
water particles stay on top
How does particle size affect solubility?
bigger particles dissolve faster
smaller particles can occupy the space in water faster
bigger particles spread faster than smaller particles
What are the factors that affect solubility?
rate of stirring
particle size
temperature
all of these
Which of the following does not affect solubility of solutes?
Tempearture
Color
Size particles
Kind of solute
