solute
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solute 〔ａ´ａｌｊｕ:ｔ〕 용질
[百] 용질 (溶質) solute
solute 용질,용해된
solute 용질
solute : 용질
activity (활성도, 활동도) 1. the state of being active; the ability to produce some effect;
the extent of some function or action. 2. a thermodynamic quantity that represents the
effective concentration of a solute in a nonideal solution; if concentrations are replaced
by activities, the equations for equilibrium constants, electrode potentials, osmotic
pressure, boiling point elevation, freezing point depression, and vapour pressures of
volatile solutes are converted from approximations that hold only for dilute solutions to
exact equations that hold for all concentrations. The activity is equal to the product of
the concentration and the activity coefficient, a dimensionless number measuring
deviation from nonideality. Symbol a. 3. radioactivity; the number of disintegrations per
unit time of a radioactive material, measured in curies or becquerels. Symbol A. 4.
optical activity.
solution : 1. a homogeneous mixture of one or more substances (solutes) dispersed
molecularly in a sufficient quantity of dissolving medium (solvent). The solute may be
gas, liquid, or solid; the solvent is usually liquid, but may be solid, as in a solid
solution of copper in silver (sterling silver). In pharmacology, a liquid preparation
containing one or several soluble chemical substances usually dissolved in water and
not, for various reasons, falling into another category. 2. the process of dissolving. 3. a
loosening or separation.
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