Solution Stoichiometry
Presentation
•
Chemistry
•
10th - 11th Grade
•
Easy
Standards-aligned
Gail Centeno
Used 4+ times
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10 Slides • 17 Questions
1
Solution Stoichiometry
By Gail Centeno
2
Solute - part of the solution that dissolves in the solvent; typically salts (cation, anion)
Solvent - part of the solution that does the dissolving; typically water is the solvent
Solutions
3
moles solute = M
L solution
Ratio that explains the amount of solute (moles) per volume solution (L)
Molarity
4
Multiple Choice
Determine the molarity of a solution consisting of 107 grams Na2CO3 in 510 mL distilled water.
2.0 M
1.0 M
0.0020 M
0.51 M
5
Multiple Choice
How many grams NaOH are needed to make a 0.75M solution in a total volume 800.mL?
48 grams
24 grams
12 grams
100 grams
6
Multiple Choice
A chemist dissolves 50.0 grams KNO3 in distilled water to make 1.50M solution. What volume (mL) of water is required?
3000 mL
1300 mL
520 mL
330 mL
7
Acid - proton donor
Base - proton acceptor
Acids and Bases
8
Open Ended
Write the chemical formulas of the 7 Strong Acids
9
Strong Acids - 100% ionization; products are only made
Weak Acids - Partial ionization; very little product is made
Percent Ionization
10
Draw
Write the ionization reaction for HNO3
11
Draw
Write the ionization reaction for HClO2
12
Ionization Reactions
Why do some reactions have a double arrow and a single arrow?
What do you notice about charges on the reactant and product side?
What do you notice about the proton transfer?
13
Draw
Write the ionization reaction for CH3COOH
14
Draw
Write the ionization reaction for H2SO3
15
Multiple Choice
Which solution would be considered acidic?
pH = 3.5
pH = 7.0
pH = 8.3
pH = 12.0
16
17
Open Ended
Give 3 descriptions about the pH scale.
18
Open Ended
What does BLUE litmus paper show?
19
Open Ended
What does RED litmus paper show?
20
Open Ended
If a solution is acidic, what can be said about the [H3O+] concentration?
21
pH = - log [H3O+]
[H3O+] = 10-pH
22
Multiple Choice
A solution has [H3O+] = 7.0x10-5 M
Which is correct about this solution?
Acidic solution with pH = 5.0
Basic solution with pH = 4.2
Acidic solution with pH = 4.2
Neutral solution with pH = 7.0
23
Multiple Choice
A solution has a pH = 8.42
Which is correct about his solution?
Basic solution with [H3O+] = 3.8x10-9 M
Acidic solution with [H3O+] = 3.8x10-9 M
Neutal solution with [H3O+] = 1.0x10-7 M
Basic solution with [H3O+] = 1.0x10-9 M
24
Draw
Identify the conjugate base of the weak acid, H2CO3
25
Conjugate Acid-Base Pairs
26
Conjugate Acid-Base Pair
27
Draw
Write the ionization reaction for the weak acid, H2SO3. Identify the conjugate acid-base pairs.
Solution Stoichiometry
By Gail Centeno
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