Which option correctly shows the preparation of a 2 M solution?
Answer and explanation
Correct answer: Take 2 moles solute and make total volume 1 litre
A 2 M solution contains 2 moles of solute per litre of final solution. Thus the correct preparation is to dissolve 2 moles and make the final solution volume exactly 1 L. Option B describes a molality-type condition, not molarity; option C confuses grams with moles; option D gives only 0.5 M. Final solution volume must not be confused with solvent volume.
Frequently asked questions
What is the correct answer to this question?
Take 2 moles solute and make total volume 1 litre
Why is this the correct answer?
A 2 M solution contains 2 moles of solute per litre of final solution. Thus the correct preparation is to dissolve 2 moles and make the final solution volume exactly 1 L. Option B describes a molality-type condition, not molarity; option C confuses grams with moles; option D gives only 0.5 M. Final solution volume must not be confused with solvent volume.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Chapter 01: Solutions.
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