
Solution concentration/using table F solubility charts
Presentation
•
Chemistry
•
9th Grade - University
•
Hard
+1
Standards-aligned
Katie Smit
Used 6+ times
FREE Resource
19 Slides • 23 Questions
1
By Katie Smit
2
•Provides some general guidelines about the solubility of different salts (ionic substances)
•Used to determine whether a particular compound is soluble or insoluble in water (aqueous) solution.
•If an insoluble substance (solid) is formed in the reaction between two aqueous solutions of different salts, it is called a precipitate and settles to the bottom of the container.
Remember double replacement reactions- AgCl(s)- (s) = solid
3
- LiBr?
-MgSO4?
-AlPO4
4
5
Multiple Choice
Which of the salts is most soluble in water?
AgI
AgBr
ZnCO3
K2SO4
6
7
Multiple Choice
Which compound, when stirred in water, will not pass through filter paper?
HgCl
MgCrO4
Na3PO4
Na2S
8
Multiple Choice
A student observed the following reaction:
NaCl(aq) + AgNO3(aq) --> NaNO3(aq) + AgCl(s)
After the products were filtered, which substance remained on the filter paper?
NaCl
AgNO3
NaNO3
AgCl
9
Multiple Choice
Which compound could form a concentrated solution? (Hint: it must be soluble)
AgBr
AgCl
Ag2CO3
AgNO3
10
11
12
Multiple Choice
True or false: A dilute solution is "stronger" than a concentrated one.
True
False
13
Multiple Choice
Which pitcher is the most dilute?
125 g of mix
100 mL water
100 g of mix
100 mL water
50g of mix
100 mL water
25g of mix
100 mL water
14
Multiple Choice
Which pitcher of lemonade is the most concentrated?
50 g of mix
100 mL water
25 g of mix
100 mL water
200 g of mix
100 mL water
100 g of mix
100 mL water
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% composition = part x 100%
whole
Some text here about the topic of discussion
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17
18
Multiple Choice
19
Multiple Choice
What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?
10.0 %
11.1 %
80.0 %
20.0 %
20
% = part x 100
whole
Some text here about the topic of discussion
21
Multiple Choice
22
% = part x 100
whole
Some text here about the topic of discussion
23
Multiple Choice
What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?
400 g
40 g
0.25 g
25 g
24
Multiple Choice
What is the percent concentration of sugar in pink lemonade if 28 g of sugar is added 209 g of water?
14.7 %
5.14 %
13.4 %
8.47 %
11.8 %
25
Multiple Choice
What is the percent concentration of sugar in pink lemonade if 28 g of sugar is added to water to form 209g of solution?
14.7 %
5.14 %
13.4 %
8.47 %
11.8 %
26
Molarity (M) (mol/L)
•Number of moles of solute in 1L of solution
•This tells us the exact strength of the solution.
•We add a specific amount of solute to a specific amount of water…once this is made, the molarity does not change.
•See Table T from Chemistry Reference Tables
Molarity = Moles of Solute = mol = M
Liters of Solution Liters
27
28
Multiple Choice
29
Multiple Choice
30
Example
What is the molarity of a solution containing 82.0g Ca(NO3)2 in 2.0 L of solution?
31
32
Multiple Choice
What is the molarity of a solution containing 22.0g Ca(NO3)2 in 2.0 L of solution?
11.0 M
0.067 M
.0134 M
22.0 M
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34
35
Multiple Choice
36
Multiple Choice
37
38
Multiple Choice
What is the concentration of a solution in parts per million if 0.02 grams of NaCl is dissolved in 1000 grams of water?
2 ppm
20 ppm
200 pm
0.2 ppm
39
Multiple Choice
Which unit can be used to express the concentration of a solution?
L/s
J/g
ppm
kPa
40
Multiple Choice
What is the concentration of solution (in ppm) made up of 0.005 grams of solute in 350 grams of solution?
14.3 ppm
12.1 ppm
1.4 ppm
9.8 ppm
41
Multiple Choice
A solution is made from 7 grams of solute dissolved in 1450 grams of solvent. What is the concentration of this solution in ppm?
4,804.4 ppm
4,827.6 ppm
4,851.0 ppm
4,790.0 ppm
42
Fill in the Blanks
What is the concentration, in ppm, of a solution made with 18.5 g of NaCl in 125,000.0 g of water?
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