Fifty liters of a 40% acid solution is obtained by mixing a 25% solution with a 50% solution. a). Write a system of equations in which one equation represents the amount of final mixture required and the other represents the percent of acid in the final mixture. Let x and y represent the amounts of the 25% and 50% solutions, respectively. amount of final mixture required ? percent of acid in the final mixture required ? b). How much of each solution is required to obtain the specified concentration of the final mixture? 25% solution _____________L? 50% solution _____________L?
Fifty liters of a 40% acid solution is obtained by mixing a 25% solution with a 50% solution. a). Write a system of equations in which one equation represents the amount of final mixture required and the other represents the percent of acid in the final mixture. Let x and y represent the amounts of the 25% and 50% solutions, respectively. amount of final mixture required ? percent of acid in the final mixture required ? b). How much of each solution is required to obtain the specified concentration of the final mixture? 25% solution _____________L? 50% solution _____________L?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Fifty liters of a 40% acid solution is obtained by mixing a 25% solution with a 50% solution.
a). Write a system of equations in which one equation represents the amount of final mixture required and the other represents the percent of acid in the final mixture. Let x and y represent the amounts of the 25% and 50% solutions, respectively.
amount of final mixture required |
?
|
percent of acid in the final mixture required |
?
|
b). How much of each solution is required to obtain the specified concentration of the final mixture?
25% solution | _____________L? |
50% solution | _____________L? |
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