ACID MIXTURE: A chemist needs 10 liters of a 25% acid solution. The solution is to be mixed from three solutions whose concentrations are 10%, 20%, and 50%. How many liters of each solution will satisfy each condition? (a) Use 2 liters of the 50% solution. (b) Use as little as possible of the 50% solution. (c) Use as much as possible of the 50% solution.

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A: This question can be solved using the concept of maxima and minima.

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A: As per our guidelines we only solve one question and rest of the question will be reposted.

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A: This question can be solved graphically.

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A: Let's find. 

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A: Solution: As per our guidelines we are supposed to answer only? One question ( if there are multiple...

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A: In this question we have to evaluate the given Integral.

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A: Note: According to our answering guidelines we have to answer only one question if multiple are post...

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