Solutions Part 2 Review
Presentation
•
Chemistry
•
10th Grade
•
Medium
Standards-aligned
travis ford
Used 23+ times
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6 Slides • 15 Questions
1
Solutions Part 2 Review
2
Solubility Rules
Covalent compounds are not soluble and cannot create electrolytes!
Soluble compounds form electrolytes.
Insoluble compounds form precipitates
3
Multiple Choice
Which of the following is most likely to create an electrolyte?
H2O
NaCl
NH3
PCl5
4
Multiple Choice
5
Multiple Choice
AgI2
Soluble
Insoluble
6
Multiple Choice
ZnOH
Electrolyte
Precipitate
7
Multiple Choice
KBr
Electrolyte
Precipitate
8
Molarity
Molarity (M) = Concentration
The higher the concentration, the more solute there is
M = Litersmoles
MAKE SURE YOU INSERT LITERS
9
Multiple Choice
Which sweet tea would you expect to taste the sweetest?
1M
3M
3.1M
2.5M
10
Multiple Choice
What is the molarity of a 0.5L sample of a solution that contains 1.5 moles of sodium hydroxide (NaOH)
0.8 M
1.5M
3.0M
6.0M
11
Multiple Choice
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
1074 mol
0.069 mol
1.07 mol
62.7 mol
12
Multiple Choice
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide?
2
3
4
6
13
Dilutions M1V1 = M2V2
Dilutions are performed when you are trying to make a solution less concentrated.
This means M2 will always be less than M1
This means that V2 will always be more than V1
14
What volume of a 2.0 M stock solution of NaCl would you need to use to make 2500 mL of a 0.5 M solution?
15
Multiple Choice
If I have 340.0 mL of a 0.500 M NaBr solution, what will the concentration be if I add 560.0 mL more water to it? (Remember to use the total new volume)
.188 M
3.78 M
.389 M
1.76 M
16
Multiple Choice
If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?
2 M
0.02 M
0.033 M
0.08 M
17
Multiple Choice
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?
15.9 M
0.636 M
0.642 M
1.59 M
18
From Part 1....Rate of Dissolution
Three things that speed up dissolving
Stirring
Heat
Surface Area
19
Multiple Choice
What combination would dissolve a solid solute the fastest?
high temperature, no stirring
no heat, no stirring
sugar cube, no heat
high temperature, stirring
20
Multiple Choice
Which will dissolve faster? Crushed table salt or a cube of table salt. Assume they have an equal mass.
crushed table salt
crystal of table salt
21
Multiple Choice
Which of the following statements is true about how using smaller salt crystals would affect the rate of making a salt solution in water?
Smaller crystals increase the surface area and slow down dissolving.
Smaller crystals decrease the surface area and speed up dissolving.
Smaller crystals increase the surface area and speed up dissolving.
Smaller crystals decrease the surface area and slow down dissolving.
Solutions Part 2 Review
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