Characteristics of Mixture
Identifying Types of Mixtures
Molarity
Solubility Curve
Solvation
100
What are the 3 types of mixtures?
Solutions, colloids, suspensions
100
Solution, colloid, or suspension: Mud
Suspension
100
What does molarity measure?
Concentration (mol/L)
100
Which solid's solubility changes the LEAST?
Solid D
100
Increases or decreases: Increasing temperature __________ the solubility of solid solutes.
Increases
200
Rank the types of mixtures in order from smallest to largest particles.
Solutions, colloids, suspensions
200
Solution, colloid, or suspension: lemonade with pulp
Suspension
200
What is the equation for molarity?
M= mol/L
200
An aqueous solution of solid B at 30oC contains 40.0g of solid B. The solution is:
Supersaturated
200
Increases or decreases: Breaking up sugar cubes into powder __________ the solubility of the sugar.
Increases
300
What type of mixture has the largest particles, separates upon standing, can be filtered, and has the Tyndall effect?
Suspensions
300
Solution, colloid, or suspension: Air
Solution
300
What is the molarity of a solution containing 0.25 moles of sodium hydroxide dissolved in 3.5 liters of solution?
0.71 M
300
What is the solubility of solid A at 10°C?
About 18g
300
Increases or decreases: Soda making the "pssst" noise when opened. (Decreasing pressure ___________ the solubility of gases.
Decreases
400
What type of mixture has the Tyndall effect but does not separate?
Colloids
400
Solution, colloid, or suspension: Mayo
Colloid
400
How many liters of a 5 M solution can be made from 7.3 moles of NH3?
1.46 L
400
What temperature would a saturated solution containing 40 g of solid B need?
80oC
400
What's the name of substances that conduct electricity when dissolved (Ex: ionic compounds, acids, & bases)
Electrolytes
500
What type of mixture has the smallest particles and does not have the Tyndall effect?
Solutions
500
Solution, colloid, or suspension: bronze
Solution
500
How many moles of a 1.7 M solution can be made from 2.8 L of H2O?
4.76 mol
500
A student adds 80g of solid A at 30oC. What amount will not dissolve?
80g - 40g= 40g
500
What ions form when Ba(OH)2 dissociate when dissolved?
Ba+ and 2 OH-