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A student intended to prepare 1000 mL of a 10 ppm solution of K ⁺ from KCl . He made appropriate calculations, weighed the salt accordingly and prepared the solution. However, after making the solution, he realized that the salt he used was KNO ₃ and not KCl . The concentration of K ⁺( ppm ) in this prepared solution is

Options

  1. A7.37
  2. B10.00
  3. C13.55
  4. D3.86

Correct answer

A. 7.37

Step-by-step solution

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