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A 2 L solution has solute concentration 300 mg per litre. What is the approximate ppm if the solution is dilute and aqueous?
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Answer and explanation
Correct answer: 300 ppm
For a dilute aqueous solution, 1 mg of solute per litre is approximately 1 ppm because 1 L water has a mass close to 1 kg. The given concentration is already 300 mg L−1, so it corresponds to about 300 ppm. The total 2 L volume does not change the concentration value.
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What is the correct answer to this question?
300 ppm
Why is this the correct answer?
For a dilute aqueous solution, 1 mg of solute per litre is approximately 1 ppm because 1 L water has a mass close to 1 kg. The given concentration is already 300 mg L−1, so it corresponds to about 300 ppm. The total 2 L volume does not change the concentration value.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Chapter 01: Solutions.
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