Suppose that a chemist is mixing two acid solutions, one with a 15% concentration and the other with a 25% concentration. Which of the following concentrations cannot be achieved by combining these solutions?

A. 17%
B. 20%
C. 23%
D. 29%

Assuming you have enough quantities, you could get anything ranging from 15% to 25%. That is, 29% is out of range!

Answered by Anonymous | 2024-06-10

The only **concentration **that cannot be **obtained **by mixing the 15% and 25% **acid solutions **is 29%.
What is the percentage?
The percentage is defined as a **ratio **expressed as a **fraction **of 100.
The concentrations that can be **obtained **by mixing the 15% and 25% **acid solutions **are as follows:
Mixing equal amounts of 15% and 25% solutions will result in a 20% solution (since the **average **of 15 and 25 is 20).
Mixing 1 part of 15% solution with 3 parts of 25% solution will result in a 20% solution as well.
Mixing 2 **parts **of 15% solution with 3 parts of 25% solution will result in a 23% solution.
Mixing 3 parts of 15% **solution **with 2 parts of 25% solution will result in a 17% solution.
Mixing 1 part of 15% solution with 1 part of 25% solution will result in a 20% **solution **as well.
Therefore, the only **concentration **that cannot be obtained by mixing the 15% and 25% acid solutions is 29%.
Learn more about the **percentages **here:
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Answered by saimaparvezVT | 2024-06-17

The only concentration that cannot be achieved by mixing the 15% and 25% acid solutions is 29%. This is because the resulting concentrations must fall between the two initial concentrations, which are 15% and 25%. Thus, concentrations of 17%, 20%, and 23% can be achieved, but 29% cannot.
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Answered by saimaparvezVT | 2024-11-11