Q:

The unit millimoles per litre (mmol/L) refers to which of the following

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The unit millimoles per litre (mmol/L) refers to which of the following?


  1. the number of particles in solution, in multiples of 6 × 1020 per litre.
  2. 103 times the number of moles of particles in a litre of solution.
  3. the number of molecules per litre of solution.
  4. the number of moles per millilitre of solution.

All Answers

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A: A mole = 6 × 1023 particles, a millimole (mmol) = 6 × 1020 particles.

When dissolved, whether the particles are ions or molecules makes no

difference.

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