Résumé des unités de concentrations

In this equation, c is the total molar concentration, DAB is the diffusivity of A in B, yA is the mole fraction mixture which is the total mass of the mixture per unit volume The total Similarly, the total mass flux is the sum of the species mass flux

commonly called concentration of B), and its symbol cB and SI unit mol/m3 (or a sum of exp x exp exponential of loga x loga logarithm to the base a of dx/dt d

First off, a mole is defined as being equivalent to the sum of the atomic masses in distinguish the unit of mass (moles) from the unit of concentration (molarity)

component per unit volume of mixture The total concentration in the system can be obtained by sum up all molar concentrations for all species which can be 

None of the mixture had a sum of toxic units exceeding one, but several had toxic unit sums above Use of tissue concentrations for chemical risk assessment

sum of the doses/concentrations, scaled for relative toxicity (dose/concentration (2008) A further approach is the toxic unit model, often used in environmental

measurement of both pollutant concentration and water flow and careful calculation, time unit, the annual load that is the sum of four quarterly unit loads will be 

A unit of count defining the number of eighth-parts as a measure of the lump sum A unit of count defining the number of whole or a complete monetary amounts 3 9 a measure of the concentration of potassium hydroxide in the product 3 9