What is the difference between mL and cc and milligrams

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What is the difference between mL and cc and milligrams

Postby Guest » Sat Mar 19, 2005 11:15 am

What is the differece between mL, cc and milligrams
Guest
 

Postby Guest » Sat Mar 19, 2005 7:50 pm

mL and cc (properly cm^3) are measures of volume, and
1 mL = 1 cm^3 exactly by definition.

mg (milligram) is a unit of mass. Different substances have different densities or mass per unit volume. In general you have to know the density of the substance. However, water at 4 degrees C is approximately 1.000 g/mL (there are a few digits to the right if you carry enough decimal dust). Lead is heavier, feathers are lighter.
Guest
 


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