6. Chemical Quantities & Aqueous Reactions
Dilutions
6. Chemical Quantities & Aqueous Reactions
Dilutions - Video Tutorials & Practice Problems
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In Dilutions, a solvent (usually water) is added to a concentrated solution.
Concentrated & Diluted Solutions
1
concept
Dilutions
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2
example
Dilutions Example 1
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3
concept
Dilutions
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4
example
Dilutions Example 2
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2mPlay a video:
5
Problem
ProblemTo what final volume would 100 mL of 5.0 M KCl have to be diluted in order to make a solution that is 0.54 M KCl?
A
72 mL
B
289 mL
C
330 mL
D
930 mL
E
1400 mL
6
Problem
ProblemIf 880 mL of water is added to 125.0 mL of a 0.770 M HBrO4 solution what is the resulting molarity?
A
0.096 M
B
0.136 M
C
0.257 M
D
0.892 M
E
1.76 M
7
Problem
ProblemA student prepared a stock solution by dissolving 25.00 g of NaOH in enough water to make 150.0 mL solution. The student took 20.0 mL of the stock solution and diluted it with enough water to make 250.0 mL solution. Finally taking 75.0 mL of that solution and dissolving it in water to make 500 mL solution. What is the concentration of NaOH for this final solution? (MW of NaOH:40.00 g/mol).
A
0.0500 M
B
0.025 M
C
0.005 M
D
0.500 M
E
0.0100 M
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Additional resources for Dilutions
PRACTICE PROBLEMS AND ACTIVITIES (23)
- What volume of a 2.00 M stock solution of NaOH is required to prepare 50.0 mL of 0.400 M NaOH? (LO 4.4) (a) 15...
- Box (a) represents 1.0 mL of a solution of particles at a given concentration. Which of the boxes (b)–(d) repr...
- Calculate the molarity of the following aqueous solutions: (c) 25.0 mL of 3.50 M HNO3 diluted to 0.250 L.
- To what volume should you dilute 50.0 mL of a 5.00 M KI solution so that 25.0 mL of the diluted solution conta...
- A bottle of 12.0 M hydrochloric acid has only 35.7 mL left in it. What will the HCl concentration be if the so...
- What is the volume of the solution that would result by diluting 70.00 mL of 0.0913 M NaOH to a concentration ...
- How would you prepare 250 mL of a 0.100 M solution of chloride ions from a 3.00 M stock solution of CaCl2? Spe...
- You make 1.000 L of an aqueous solution that contains 35.0 g of sucrose (C12H22O11). (b) How many liters of w...
- How would you prepare 250 mL of 0.150 M solution of CaCl2 from a 3.00 M stock solution? Specify the glassware ...
- If 123 mL of a 1.1 M glucose solution is diluted to 500.0 mL, what is the molarity of the diluted solution?
- If 3.5 L of a 4.8 M SrCl2 solution is diluted to 45 L, what is the molarity of the diluted solution?
- To what volume should you dilute 50.0 mL of a 12 M stock HNO3 solution to obtain a 0.100 M HNO3 solution?
- (b) If you take a 10.0-mL portion of the stock solution and dilute it to a total volume of 0.500 L, what will ...
- (b) If you dilute 10.0 mL of the stock solution to a final volume of 0.250 L, what will be the concentration ...
- (a) How many milliliters of a stock solution of 6.0 M HNO3 would you have to use to prepare 110 mL of 0.500 M ...
- What is the concentration of a solution made by diluting 35 mL of 6.0 m HCl to a final volume of 750 mL?
- What volume of 12.0 M HCl is required to make 75.0 mL of 3.50 M HCl?
- A standard solution is prepared for the analysis of fluoxymesterone
- How much of a 0.250 M sucrose solution must be used to prepare 400.0 mL of a 0.0310 M solution? mL
- How many ml of a 3 mol/L NaOH solution are required to make 100 ml of a 0.2 mol/L NaOH solution?
- A 0.1 m solution is diluted by three orders of magnitude. What is the new concentration?
- Calculate the molarity of a solution of FD&C blue dye no. 1
- What is the value of x, the concentration of the unknown ethanol solution? 0.02 0.04 0.05 0.08