formality
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formality,
in chemistry: see chemical equilibriumchemical equilibrium,state of balance in which two opposing reversible chemical reactions proceed at constant equal rates with no net change in the system. For example, when hydrogen gas, H2, and iodine gas, I2
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in chemistry, measure of the relative proportions of two or more quantities in a mixture. The concentration of a solute is very important in studying chemical reactions because it determines how often molecules collide in solution and thus indirectly determines
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formality
[fȯr′mal·əd·ē] (chemistry)
A concentration scale that gives the number of formula weights of solute per liter of solution; designated by F preceded by a number to show solute concentration.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.