mo·lal·i·ty

(mō-lăl′ĭ-tē)

n. pl. mo·lal·i·ties

Abbr. m The concentration of a solution expressed in moles of solute per kilogram of solvent. Also called molal.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

molality

(mɒˈlælɪtɪ)

n, pl -ties

(Chemistry) (not in technical usage) a measure of concentration equal to the number of moles of solute in a thousand grams of solvent

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mo•lal•i•ty

(moʊˈlæl ɪ ti)

n., pl. -ties.

the number of moles of solute per kilogram of solvent.

[1920–25]

molality

The concentration of a solute giving the number of moles of solute dissolved in 1 kg of solvent.

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Noun

molality - concentration measured by the number of moles of solute per kilogram of solvent

molal concentration

concentration - the strength of a solution; number of molecules of a substance in a given volume

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References in periodicals archive

have calculated Henry's constants for C[O.sub.2]-DES systems under the above-mentioned conditions giving values in the range of (3.7 to 6.1) MPa (on a molality basis) as shown in Figure 7.

Review on Carbon Dioxide Absorption by Choline Chloride/Urea Deep Eutectic Solvents

It is confirmed that density of aqueous solutions of sodium saccharin varies linearly with molality of the solutions.

Volumetric Behavior of Sodium Saccharin in Water and (0.1, 0.3, and 0.5) m Fructose at (298.15, 303.15, 308.15, and 313.15) K

The ranges of concentrations, expressed in moles of each anion per kilogram of [H.sub.2]O (molality), of the calibration and validation set were predetermined to reflect the concentrations expected in samples that would in the future be subjected to the developed speciation method.

Equilibrium Measurements of the N[H.sub.3]-C[O.sub.2]-[H.sub.2]O System: Speciation Based on Raman Spectroscopy and Multivariate Modeling

Molality of the titrant was determined by direct titration by means of a 0.1 mol/1 sodium thiosulphate solution.

Antiviral activity of an aqueous extract derived from Aloe arborescens Mill, against a broad panel of viruses causing infections of the upper respiratory tract

Degree of Ion content (a) Samples saponification (%) (mol/kg) EEA 0 0 EEA-0.26K 26 0.65 EEA-0.31K 31 0.78 EEA-0.43K 43 1.08 EEA-0.58K 58 1.45 EEA-0.62K 62 1.55 (a) Ion content is the molality of potassium acrylate.

Mechanical and thermal properties of potassium salts of poly(ethylene-co-ethylacrylate): polyolefin lonomers in the absence of acid groups

where [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] are the molality, activity coefficient, and activity of cadmium ions at equilibrium conditions, respectively.

The effect of chloride and sulfate ions on the adsorption of [Cd.sup.2+] on clay and sandy loam Egyptian soils

PhreeqC software was used to determine molality, activity and saturation index of anions and cations of Geno hot spring, the results are given in Table 2.

Environmental hydrochemistry and seasonal variations in radon concentration in Geno hot spring, North of Hormozgan, Iran

= 8000), and 0.4 mL of X-100 dispersant were dissolved in 8 mL of nitrate with a molality of 0.1 M.

Synthesis and characterization of a gel-type electrolyte with ionic liquid added for dye-sensitized solar cells

However, introducing a more recent model with better accuracy Duan and Mao [79] affirms that "all of the published models, including the Duan model [82], are found to posses intolerable deficiencies." Duan and Mao [79] model is capable of predicting the liquid phase density (g/cc) in addition to methane solubility in terms of molality allowing the calculation of the number of moles of methane present per unit volume of liquid.

Estimating pore space hydrate saturation using dissociation gas evolution measurements: in relevance to laboratory testing of natural or artificially synthesised hydrate-bearing soil specimens

where, aH+ is the activity of H+ ions, gH is the coefficient of activity of H+ ions, mH is the molality in mol/kg of H+ ions and mdeg is the molality at standard state.

Development of Sensor Calibration against Standards using Measurement Software TestPointTM-CEC and Application to the Verification of pH Electrodes

[m.sub.j] is the molality of species j in the liquid phase; [[gamma].sub.j] is the mol fraction of the species j in the solid phase; [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is the coefficient of the activity of the species j in the solution; [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] is the coefficient of the activity of the species j in the resin.

Prediction of ternary ion-exchange equilibrium using artificial neural networks and Law of Mass Action/Aplicacao de redes neurais artificiais e da Lei da Acao das Massas na predicao de equilibrio de sistemas ternarios de troca-ionica