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AIIMS2010ChemistrySome Basic Concepts of Chemistry

When 25 ~g of Na ₂ SO ₄ is dissolved in 10^3 ~kg of solution, its concentration will be

Options

  1. A2.5 ppm
  2. B25 ppm
  3. C250 ppm
  4. D100 ppm

Correct answer

B. 25 ppm

Step-by-step solution

When a solute is present in very minute amounts (trace quantities), the concentration is expressed in ppm. aligned & ppm of A= mass of component A total mass of solution 10^6 & = 0.025 10^3 10^6=25 ppm . & aligned

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