What does $mM$ $"mM"$ mean?

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Answer 1 · 2017-08-14T02:38:58

Millimolar.

$1 mM = 10^{- 3} M = 10^{- 3} mol/L$ $"1 mM" = 10^(-3) "M" = 10^(-3) "mol/L"$ ,

i.e. a smaller unit of molar concentration, $\frac{millimols solute}{L solution}$ $"millimols solute"/"L solution"$ .

It is directly analogous to...

$1 mm = 10^{- 3} m$ $"1 mm" = 10^(-3) "m"$ ,

the millimeter.

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