Mixture mass equals sum of component masses

The mass of a mixture of fluids is equal to the sum of the masses of the components of the mixture.

Conditions:

1. Mixture in a closed impenetrable volume, that is, its molecules cannot leave it and they are always inside;

2. Mass is not transformed to energy, for example due to annihilation.

Links:

1. Engineering LibreTexts, Composition on a Mass Basis.

mixture_mass

mass of the mixture.

Symbol:

m

Latex:

\(m\)

Dimension:

mass

component_mass

mass of the \(i\)-th component.

Symbol:

m[i]

Latex:

\({m}_{i}\)

Dimension:

mass

law

m = Sum(m[i], i)

Latex:

\[m = \sum_i {m}_{i}\]