Mass Balances: Systems with Multiple Inlets and Outlets
Change in the Total
Mass of the System
Mass of the System
=
Total
Mass of the
System at Final State
System at Final State
-
Total
Mass of the
System at Initial State
System at Initial State
Differential or Rate Mass Balance :
Change in the Total
Mass of the System
Mass of the System
Total
Mass
Leaving the System
Leaving the System
Total
Mass
Entering the System
Entering the System
=
-
Integral Mass Balance :
Open
System
System
Often there are multiple inlets and outlets in an open system. A
mass balance
on a multi-inlet and/or multi-outlet process must account for all mass flows into and out of the system.
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