Milliequivalent


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Equivalent (chemistry)
The equivalent (Eq or eq) is a reasonably common measurement unit used in chemistry and the biological sciences. It is a measure of a substance's ability to combine with other substances. It is frequently used in the context of normality.The equivalent is formally defined as the mass in grams of a substance which will react with 6.022 x 1023 electrons. (This is Avogadro's Number, which is the number of particles in a mole). Another, slightly less precise, definition describes the equivalent as the number of grams of a substance that will react with a gram of free hydrogen. (This is practically true, since a gram of hydrogen is very close to a mole of hydrogen, and free hydrogen has one spare electron; hence one gram of hydrogen is effectively equivalent to 6.022 x 1023 electrons.)
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milliequivalent
Noun
1. one-thousandth of an equivalent
(synonym) meq
(hypernym) atomic weight, relative atomic mass


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