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Practice question

MCQ

Question

A solution contains 9 g of a solute (molar mass = 90 g/mol) in 450 mL of solution. What is the molarity?

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Choose one · Correct answer highlighted

Explanation

Moles of solute = (9/90) = 0.1 mol . Volume = 450 mL = 0.45 L. Molarity = (0.1/0.45) ≈ 0.2222 M .

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