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Question: Answered & Verified by Expert
14.2 g Na2SO4 is present in 102 kg water. Its concentration in ppm is
ChemistrySome Basic Concepts of ChemistryNEET
Options:
  • A 10 ppm
  • B 100 ppm
  • C 142 ppm
  • D 14.2 ppm
Solution:
2947 Upvotes Verified Answer
The correct answer is: 142 ppm
concentration in ppm =Weight of soluteWeight of solution×106
ppm. of Na2SO4 in solution =14.2×106102×103=142 .

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