In chemistry, the mass fraction of a substance within a mixture is the ratio w i {\displaystyle w_{i}} (alternatively denoted Y i {\displaystyle Y_{i}}...

Mass fraction may refer to: Mass fraction (chemistry), it is the ratio of mass of a constituent to the total mass of the mixture Fuel mass fraction Propellant...

A fraction in chemistry is a quantity collected from a batch of a substance in a fractionating separation process. In such a process, a mixture is separated...

In chemistry and fluid mechanics, the volume fraction φ i {\displaystyle \varphi _{i}} is defined as the volume of a constituent Vi divided by the volume...

solubility at a given temperature. In cell fractionation, cell components are separated by difference in mass. A typical protocol to isolate a pure chemical...

In chemistry, the mole fraction or molar fraction, also called mole proportion or molar proportion, is a quantity defined as the ratio between the amount...

electrons in the nucleus would interfere and a fraction of the mass would be destroyed. A low packing fraction is indicative of a stable nucleus. The nitrogen...

Mass-independent isotope fractionation or Non-mass-dependent fractionation (NMD), refers to any chemical or physical process that acts to separate isotopes...

In polymer chemistry, the molar mass distribution (or molecular weight distribution) describes the relationship between the number of moles of each polymer...

mole fraction. The SI unit is mol/mol. However, the deprecated parts-per notation is often used to describe small mole ratios. The mass fraction w i {\displaystyle...

The mass-flux fraction (or Hirschfelder-Curtiss variable or Kármán-Penner variable) is the ratio of mass-flux of a particular chemical species to the total...

In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved...

In chemistry, the mass concentration ρi (or γi) is defined as the mass of a constituent mi divided by the volume of the mixture V. ρ i = m i V {\displaystyle...

mg→mEq:element mass [mg]mass fraction×VMV{\displaystyle {\text{mg}}\to {\text{mEq}}:\quad {\frac {\text{element mass [mg]}}{\text{mass fraction}}}\times {\frac...

in chemistry, for instance, the relative abundance of dissolved minerals or pollutants in water. The quantity "1 ppm" can be used for a mass fraction if...

by mass fraction (in commercial contexts often called weight fraction), by mole fraction (fraction of atoms by numerical count, or sometimes fraction of...

In chemistry, the molar mass (M) of a chemical compound is defined as the ratio between the mass and the amount of substance (measured in moles) of any...

reactions, the fraction of mass that may be removed as light or heat, i.e. binding energy, is often a much larger fraction of the system mass. It may thus...

isotopes of the same element. Isotopic fractionation can be measured by isotope analysis, using isotope-ratio mass spectrometry or cavity ring-down spectroscopy...

In chemistry, the lever rule is a formula used to determine the mole fraction (xi) or the mass fraction (wi) of each phase of a binary equilibrium phase...

Mixture fraction (Z{\displaystyle Z}) is a quantity used in combustion studies that measures the mass fraction of one stream (usually the fuel stream)...

contains 6.02214076×1023 water molecules) has a total mass of about 18.015 grams. In chemistry, because of the law of multiple proportions, it is often...

analytical chemistry educational labs. Qualitative analysis determines the presence or absence of a particular compound, but not the mass or concentration...

i {\displaystyle M_{i}} is the molar mass of constituent i {\displaystyle i} . The conversion to mole fraction x i {\displaystyle x_{i}} is given by...

in organic mass spectrometry. Cambridge, Eng: Royal Society of Chemistry. ISBN 0-85404-570-8. JURGEN H. GROSS; Jnrgen H. Gross (2004). Mass Spectrometry:...

are essential for the study of chemistry; some of them are: In chemistry, matter is defined as anything that has rest mass and volume (it takes up space)...

refer either to mole ratio (see concentration) or mass ratio (see stoichiometry). In atmospheric chemistry, mixing ratio usually refers to the mole ratio...

approximately equal fractions, which leads to the standard atomic mass of bromine close to 80 (79.904 g/mol), even though the isotope 80Br with such mass is unstable...

In chemistry, equivalent weight (also known as gram equivalent or equivalent mass) is the mass of one equivalent, that is the mass of a given substance...

In chemistry, molality is a measure of the amount of solute in a solution relative to a given mass of solvent. This contrasts with the definition of molarity...