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KCET2025ChemistrySolutions

Which of the following methods of expressing concentration are unitless?

Options

  1. AMole fraction and Mass percent (W/W)
  2. BMolality and Mole fraction
  3. CMass percent (W/W) and Molality
  4. DMolality and Molarity

Correct answer

A. Mole fraction and Mass percent (W/W)

Step-by-step solution

Mole fraction and mass percent (W/w) are unitless

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