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6 November, 11:58

Which unit can be used to express the concentration of a solution?

(1) L/s (3) ppm

(2) J/g (4) kPa

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Answers (2)
  1. 6 November, 14:28
    0
    (3) ppm or parts per million and it is used to express the concentration of very dilute solutions

    ppm = grams of solute/grams of solution x 10^6
  2. 6 November, 15:48
    0
    Also to clarify further, L/s is a unit of flow rate, J/g is a unit of energy per unit mass, and kPa is a unit of pressure known as kilo pascals which is equivalent to 1000 pascals
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