Definition of gram-molecular weight in English:
The quantity of a chemical compound equal to its molecular weight in grams; now usually replaced by the mole. Also called gram molecule. See mole4.
- Analogous terms, such as gram-molecular weight for the molecular weight of a compound expressed in grams, were similarly used.
- Thus, the gram-equivalent weight of calcium is 40.08/2 = 20.04, half the gram-molecular weight.
- For species that undergo changes in oxidation state in chemical reactions, the extent of change in the oxidation state determines the relationship between the number of gram-equivalents and the number of moles (gram-molecular weights).
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