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Gram Equivalent Weight is used to measure the amount of a substance that can react with or replace a certain number of hydrogen ions or electrons. It is calculated by dividing the molar mass of the substance by its valence. On the other hand, Gram Molecular Weight is used to measure the mass of one mole of a substance.
In chemistry, equivalent weight (also known as gram equivalent [1] or equivalent mass) is the mass of one equivalent, that is the mass of a given substance which will combine with or displace a fixed quantity of another substance.
24 wrz 2024 · Overview. gram equivalent weight. Quick Reference. The mass of an acid or a base that will release or neutralize one gram molecule (mole) of hydrogen ion. A 1-mole solution of H 2 SO 4 contains 2 gram equivalents. A thousandth of a gram equivalent weight is a millequivalent. See normal solution.
18 cze 2024 · Both gram equivalent and equivalent weight represent the mass of a substance that can participate in a single reaction with a fixed amount of another substance. Although they are very closely related to concepts, there is a difference between gram equivalent and equivalent weight.
The equivalent weight of an element is its gram atomic weight divided by its valence (combining power). Some equivalent weights are: silver (Ag), 107.868 grams (g); magnesium (Mg), 24.312/2 g; aluminum (Al), 26.9815/3 g; and sulfur (S, in forming a sulfide), 32.064/2 g.
24 sty 2016 · Equivalent weight is the (mass of) number of moles of one reactant in a balanced reaction (or product) divided by the number of moles of another. In the simple case where we have two reactants which combine 1:1, then the mass of 1 mole of either is its equivalent weight.
