What is mM/l ???

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What is mM/l ???

Postby Guest » Sat Jun 04, 2005 3:31 pm

Any idea about mM/l ??
I found glucose concentation is 4.5mM/L...

Postby Guest » Sat Jun 04, 2005 6:19 pm

The "M" used to be used to represent molarity, the number of moles of a substance per liter of solution, so molarity per liter doesn't really make sense. The term is deprecated now but moles/liter is OK.

I'm sure it means a 4.5 millimolar solution, that is 4.5 mmol per liter of solution, but that should be written 4.5 mmol/L.

The small "m" was used for molality, 1 mole per kilogram of solvent, but obviously could be confused with meter.
Here's a link: http://environmentalchemistry.com/yogi/ ... ality.html

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