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}}...

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...

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...

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...

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...

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

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

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...

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

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...

term packing fraction was defined by Aston as the difference of the measured mass M and the nearest integer mass I (based on the oxygen-16 mass scale) divided...

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 molar mass (M) (sometimes called molecular weight or formula weight, but see related quantities for usage) of a chemical compound is...

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

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...

systems with high binding energies, the missing mass may be an easily measurable fraction. This missing mass may be lost during the process of binding as...

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 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...

In chemistry, the amount of substance (symbol n) in a given sample of matter is defined as a ratio (n = N/NA) between the number of elementary entities...

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

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

composition of a mixture. It may be expressed as molar fraction, volume fraction, mass fraction, molality, molarity or normality or mixing ratio. Chemical...

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...

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...

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)...

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...

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

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...

Relativistic quantum chemistry combines relativistic mechanics with quantum chemistry to calculate elemental properties and structure, especially for the...