**Error:** We couldn't find a conversion between millimole and percent *[incompatible types]*

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The SI prefix "milli" represents a factor of
10^{-3}, or in exponential notation, 1E-3.

So 1 millimole = 10^{-3} moles.

The definition of a mole is as follows:

The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is "mol."

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