1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make 250 mL of a 0.10 M solution. I mul -10 Mx 25 298.1818 7.35 M 1,36M 250MLX 1000 X 2. If 220mL of a 12.0M HCI solution is diluted to 1000mL, what will be the concentration of the new solution? 10 M 207.1818
1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make 250 mL of a 0.10 M solution. I mul -10 Mx 25 298.1818 7.35 M 1,36M 250MLX 1000 X 2. If 220mL of a 12.0M HCI solution is diluted to 1000mL, what will be the concentration of the new solution? 10 M 207.1818
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Are these correct? The top page of the second paper is the second problem.
![Vocabulary:
SOLUTIONS, MIXTURES AND CONCENTRATION REVIEW GUIDE
CHEMISTRY
Hydrogen Bonding
Solvent-saute dissolves and becomes
Substance
Supersaturated-ncrease concernation
Equations to Use:
Unsaturated-<ss amont of SOLLTE
Molality part solution to total
Colligative Properties
depend on the concetration
but not identity
Molecules more from
%mass = grams solute
Grams solution
PRACTICE:
M₁V₁=M₂V₂
AT = K m n (for freezing or boiling point changes)
Molarity = moles
Liter
Molality = kilograms Mol
Liter
ку
of solute
or solvent
higher concetration
to lower e once tratti on
of solut
- Solute - Substance dissolved
- Solution - end product
of
soluk for gene
- Saturated - mat amount
- Molarity-concetration
more = solutepper Lolution
Mass Percent
Students are responsible for all unit conversions, including metric unit
conversions.
1,36M
10 M
1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make
250 mL of a 0.10 M solution.
I mul
-10 Mx
25
298,1818
7.35 M
250ML X
1000 X
2. If 220mL of a 12.0M HCI solution is diluted to 1000mL, what will be the concentration
of the new solution?
207.1818](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22561d37-0254-4b8f-ae4f-1260b7c40aef%2Fe28b010f-f901-4a5e-8495-be8aca07eb61%2Fe9cdra_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Vocabulary:
SOLUTIONS, MIXTURES AND CONCENTRATION REVIEW GUIDE
CHEMISTRY
Hydrogen Bonding
Solvent-saute dissolves and becomes
Substance
Supersaturated-ncrease concernation
Equations to Use:
Unsaturated-<ss amont of SOLLTE
Molality part solution to total
Colligative Properties
depend on the concetration
but not identity
Molecules more from
%mass = grams solute
Grams solution
PRACTICE:
M₁V₁=M₂V₂
AT = K m n (for freezing or boiling point changes)
Molarity = moles
Liter
Molality = kilograms Mol
Liter
ку
of solute
or solvent
higher concetration
to lower e once tratti on
of solut
- Solute - Substance dissolved
- Solution - end product
of
soluk for gene
- Saturated - mat amount
- Molarity-concetration
more = solutepper Lolution
Mass Percent
Students are responsible for all unit conversions, including metric unit
conversions.
1,36M
10 M
1. Determine how many moles of potassium dichromate (K₂Cr₂O₂) are required to make
250 mL of a 0.10 M solution.
I mul
-10 Mx
25
298,1818
7.35 M
250ML X
1000 X
2. If 220mL of a 12.0M HCI solution is diluted to 1000mL, what will be the concentration
of the new solution?
207.1818
![(12.0 MIC1000ML) =
220
M. L 220 ML)
zzd
concetration = 54.54 M
3. How many grams of methanol (CH3OH) are needed to make 10 L of aqueous 4.0M
methanol solution?
4.0
x
4.0 M
10L
grams solte
grams solution
99 7.90
4. What is the mass % of a solution made by mixing 75 mL of ethanol with water to
produce a total volume of 500 mL? Hint: Start by looking up the densities of ethanol
and water.
997
789
.4 grams
99700
75 1.786 + 500 x 100
54199.3.1.
1.786](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F22561d37-0254-4b8f-ae4f-1260b7c40aef%2Fe28b010f-f901-4a5e-8495-be8aca07eb61%2Flr2fymvm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(12.0 MIC1000ML) =
220
M. L 220 ML)
zzd
concetration = 54.54 M
3. How many grams of methanol (CH3OH) are needed to make 10 L of aqueous 4.0M
methanol solution?
4.0
x
4.0 M
10L
grams solte
grams solution
99 7.90
4. What is the mass % of a solution made by mixing 75 mL of ethanol with water to
produce a total volume of 500 mL? Hint: Start by looking up the densities of ethanol
and water.
997
789
.4 grams
99700
75 1.786 + 500 x 100
54199.3.1.
1.786
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