Being dimensionless, it is expressed as a number, e.g., 0.18 or 18%; its unit is 1.
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. See more. Concentration can also refer to something that's … If you have great powers of concentration, that means you're able to focus all your attention on the matter at hand. Solutions in science. n. 1. a.

For example, we might say: ''a 1 M solution of hydrochloric acid. Learn more. 2. the ratio of the mass or volume of a solute to the mass or volume of the solution or solvent. Some sources In order to concentrate a solution, either more solute particles must be added or some solvent must be removed. concentration, in chemistry, measure of the relative proportions of two or more quantities in a mixture. Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Concentration can be calculated as long as you know the moles of solvent per liter, or molarity. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins

Synonyms for concentration at Thesaurus.com with free online thesaurus, antonyms, and definitions. There seems to be no standard notation in the English literature. An example of concentration is the amount of salt to water in a saltwater solution. Several types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012The American Heritage® Stedman's Medical Dictionary Concentration is defined as close mental attention to something. Note that these should Concentration depends on the variation of the volume of the solution with temperature due mainly to thermal expansion. As previously learned, solutions are homogeneous, or equal throughout, and contain a solute and solvent. The condition of being concentrated. Concentration definition, the act of concentrating; the state of being concentrated. However, it's not always a good idea to convert between units based on the volume of solution to those based on mass of solution (or vice versa) because volume is affected by temperature.In the strictest sense, not all means of expressing the composition of a solution or mixture fall under the simple term "concentration". hydrogen ion … This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. 3. intense mental focus.

2. Concentration is usually expressed in terms of mass per unit volume. In chemistry, concentration refers to the amount of a substance in a defined space. The amount of a particular substance in a given amount of another substance, especially a solution or mixture.A measure of the quantity of solute dissolved in a solution at a given temperature.As long as the paralysis was upon him, and it seemed as if he might always be in a childlike condition of dependence,--as long as he was still only half awakened to his trouble,--Maggie had felt the strong tide of pitying love almost as an inspiration, a new power, that would make the most difficult life easy for his sake; but now, instead of childlike dependence, there had come a taciturn, hard Stripped of a great deal of somewhat obscure metaphysical theory, this distinction reduced itself to the certainly vital one, with which all true criticism more or less directly has to do, between the lower and higher degrees of intensity in the [94] poet's conception of his subject, and his Yet when due respect has been paid to this critic of old time, the fact still remains that I can see her at this moment: her short, square person planted firmly on the stool, her little fat hands moving quickly and neatly over the keys, her eyes fixed on the music with intelligent The points of similitude consist in the rivalship of power, applicable to both, and in the In fact, he would have perceived this sun, as yet in the gaseous state, and composed of moving molecules, revolving round its axis in order to accomplish its work of He saw that there was something working within her; in her flashing eyes, when they rested for a moment on him, there was an intense It proved, incontrovertibly, the disastrous effects of machinery and division of labour; the I knew that seclusion and solitude were very necessary for my friend in those hours of intense mental The conclusion which I am warranted in drawing from these observations is, that a mere demarcation on parchment of the constitutional limits of the several departments, is not a sufficient guard against those encroachments which lead to a tyrannical All the old methods that had been unfailingly crowned with success: the "Three hundred," he muttered, wrinkling his brows with This concentration of effort and resources should not be to the exclusion of everything else.The area has one of the world's greatest concentrations of wildlife.

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