what is concentration in chemistry
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concentration concentration - the strength of a solution; number of molecules of a substance in a given volume. property - a basic or essential attribute shared by all members of a class; a study of the physical properties of atomic particles. titer, titre - the concentration of a solution as determined by titration.
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Molality: Definition & Formula Video: Molality: Definition & Formula. In chemistry, knowing the concentration of a solution is very important. There are different ways to express the amount of concentration, and one of these is by calculating the molality. In this lesson, we will discuss molality.
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Ch1:Chemical Measurement The number of grams of an element containing Avogadro's number of atoms. concentration. An expression of the quanitity per unit volume or unit mass of a substance. Common measures of concentration are molarity (mol/L) and molality (mol/kg). density. Mass per unit volume. formal concentration (F) The molarity of a substance if it did not change its chemical form on being dissolved.
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Percent Concentration Let's address the question for both percent concentration by mass and for percent concentration by volume. Percent concentration by mass is defined as the mass of solute divided by the total mass of the solution and multiplied by 100%. So, #c% = m_(solute)/(m_(solution)) * 100%#, where
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Calculating Concentration Adding solvent results in a solution of lower concentration. You can calculate the concentration of a solution following a dilution by applying this equation: M i V i = M f V f. where M is molarity, V is volume, and the subscripts i and f refer to the initial and final values.
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Solution Concentration Dilution can also be achieved by mixing a solution of higher concentration with an identical solution of lesser concentration. Diluting solutions is a necessary process in the laboratory, as stock solutions are often purchased and stored in very concentrated forms.
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Molar concentration Molar concentration, also called molarity, amount concentration or substance concentration, is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of amount of substance in a given volume. A commonly used unit for molar concentration used in chemistry is mol/L.
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- molarity-concentration measured by the number of moles of solute per liter of solution. molar concentration, M. concentration-the strength of a solution; number of molecules of a substance in a given volume.
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How to Calculate the Concentration of a Solution In Chemistry, a solution is a homogeneous mixture of two things - a solute and the solvent that it's dissolved in. Concentration is a measure of how much solute is dissolved within the solvent. There are many reasons for calculating the concentration of a solution, but the chemistry involved is similar whether you're testing the chlorine level in a hot tub or performing life-saving analysis on a blood sample.
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Definitions &Translations Wiktionary(4.00 / 1 vote)Rate this definition: concentration(Noun) The proportion of a substance in a mixture. concentration(Noun) The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
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Determining the Molar Concentration of Vinegar by Titration Titration: an analytical procedure involving a chemical reaction in which the quantity of at least one reactant is determined volumetrically. Standard solution: a solution in which the concentration of a solute is precisely known. Usually it is the volume of the standard solution required to react with a given quantity of an analyte that is precisely determined during a titration.
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- Stoichiometry allows us to work in solution by giving us the concept of solution concentration, or molarity. Molarity is a unit that is often abbreviated as capital M. It is defined as the moles of a substance contained in one liter of solution.
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What is molarity? Molar concentration, also called molarity, amount concentration or substance concentration, is a measure of the concentration of a solute in a solution, or of any chemical species, in terms of amount of substance in a given volume.
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- In chemistry, the concentration of a solution refers to the amount of substance dissolved in a certain volume of the solution. The volume chosen is 1 dm3 – 1 cubic decimetre (which equals 1000 cm3 or 1 litre). In this unit we will see how the concentration of reactants affects the rate of reaction.
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What does concentrated mean in science? Confidence votes 332. Concentrated means that something occurs a lot in a given volume. For instance, concentrated hydrochloric acid will contain many molecules of hydrochloric acid in a given volume of water. In a typical chemistry scenario, concentration can be applied to acids.This is generally measured in mols per dm3.onfidence votes 332. Concentrated means that something occurs a lot in a given volume. For instance, concentrated hydrochloric acid will contain many molecules of hydrochloric acid in a given volume of water. In a typical chemistry scenario, concentration can be applied to acids.
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Table of Contents Concentration is the amount of material that is dissolved. If you put one teaspoon of salt in a glass of water, it has a low concentration. If you put 10 teaspoons of salt in the same glass of water, it has a high concentration. This is because it has a lot more salt dissolved in the water. If you take the glass of water with 10 teaspoons of salt in it and add it to a bucket, you can add more water. If you add 20 more glasses of plain water, the concentration will be lower. There will be less salt per glass of water.
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From Administrative State to Constitutional Government Doing chemical reactions is the main focus of chemistry because that's where the action is. That's when something gets made, changed, or destroyed. So a lot of emphasis is placed on chemical reactions. Chemical reactions can be understood by these three areas of focus. A reaction is basically shuffling around the building blocks of chemistry (atoms/ions/molecules/electrons). Force & energy is what decides if the reaction occurs and how fast.
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Concentration: Percentage of Solution by Mass Concentration: Percentage of Solution by Mass. The concentration of a solution is often expressed as the percentage of solute in the total amount of solution. For the extremely dilute solutions the concentration unit parts per million (ppm) is often used. 1. mass-mass.
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solution The proportion of solute to solvent in a given solution is expressed by the concentrationconcentration, in chemistry, measure of the relative proportions of two or more quantities in a mixture.
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- solution. n. 1. (Chemistry) a homogeneous mixture of two or more substances in which the molecules or atoms of the substances are completely dispersed. The constituents can be solids, liquids, or gases. 2. (Chemistry) the act or process of forming a solution.olution. n. 1. (Chemistry) a homogeneous mixture of two or more substances in which the molecules or atoms of the substances are completely dispersed. The constituents can be solids, liquids, or gases. 2. (Chemistry) the act or process of forming a solution.
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- Freebase(2.00 / 1 vote)Rate this definition: In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture. Several types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration.
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Concentration The term concentration can be applied to any kind of chemical mixture, but most frequently it refers to solutes and solvents in solutions. The molar (amount) concentration has variants such as normal concentration and osmotic concentration.
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Percent Concentration There are two types of percent concentration: percent by mass and percent by volume. PERCENT BY MASS. Percent by mass (m/m) is the mass of solute divided by the total mass of the solution, multiplied by 100 %. Percent by mass = #mass of solute/total mass of solution# × 100 %. Example.
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THE CHEMISTRY OF MILK -the process by which molecules spread from areas of high concentration, to areas of low concentration. When the molecules are even throughout a space - it is called EQUILIBRIUM. Concentration gradient - a difference between concentrations in a space.
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Understanding Units of Gas Concentration Understanding Units of Gas Concentration. Gas concentration is one of the most important determinants of a substance’s hazard potential. Flammability, toxicity, and oxygen deficiency are often determined by concentration.