(a)
Interpretation:
The final concentration of the prepared solution has to be determined.
Concept Introduction:
Dilution equation:
Dilution equation is given by,
(a)
Answer to Problem 8.69EP
The final concentration of the prepared solution is 3.0 M.
Explanation of Solution
Given information:
Initial volume of solution = 30.0 mL
Initial concentration = 5.0 M
Final volume of solution = 50 mL (after 20.0 mL water is added)
Final concentration = ?
Apply dilution equation to calculate the molarity of the concentrated solution,
Therefore, the final concentration of the prepared solution is 3.0 M.
(b)
Interpretation:
The final concentration of the prepared solution has to be determined.
Concept Introduction:
Dilution equation:
Dilution equation is given by,
(b)
Answer to Problem 8.69EP
The final concentration of the prepared solution is 3.0 M.
Explanation of Solution
Given information:
Initial volume of solution = 30.0 mL
Initial concentration = 5.0 M
Final volume of solution = 50 mL (after 20.0 mL water is added)
Final concentration = ?
Apply dilution equation to calculate the molarity of the concentrated solution,
Therefore, the final concentration of the prepared solution is 3.0 M.
(c)
Interpretation:
The final concentration of the prepared solution has to be determined.
Concept Introduction:
Dilution equation:
Dilution equation is given by,
(c)
Answer to Problem 8.69EP
The final concentration of the prepared solution is 4.5 M.
Explanation of Solution
Given information:
Initial volume of solution = 30.0 mL
Initial concentration = 7.5 M
Final volume of solution = 50 mL (after 20.0 mL water is added)
Final concentration = ?
Apply dilution equation to calculate the molarity of the concentrated solution,
Therefore, the final concentration of the prepared solution is 4.5 M.
(d)
Interpretation:
The final concentration of the prepared solution has to be determined.
Concept Introduction:
Dilution equation:
Dilution equation is given by,
(d)
Answer to Problem 8.69EP
The final concentration of the prepared solution is 1.5 M.
Explanation of Solution
Given information:
Initial volume of solution = 60.0 mL
Initial concentration = 2.0 M
Final volume of solution = 80 mL (after 20.0 mL water is added)
Final concentration = ?
Apply dilution equation to calculate the molarity of the concentrated solution,
Therefore, the final concentration of the prepared solution is 1.5 M.
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Chapter 8 Solutions
General, Organic, and Biological Chemistry
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