ReviewLecture1a_2014

step 2 step 3 step 4 species mass balance versus

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Unformatted text preview: cont (Example calcula7on for species A in the mixture) Defini7on: Mass of species A in mixture: Density of species A in mixture: Mass density of mixture: Molar concentra7on of mixture: Mass Frac7ons and Mole Frac7ons Defini7on of mass frac7on: !A = mass of species A per unit mass of mixture or Defini7on of mole frac7on: xA = or moles of species A per unit mole of mixture Example: Conversion of mole frac7ons to mass frac7ons Step !: Step 2: Step 3: Step 4: Species Mass Balance versus Total Mass Balance Consider a fixed control volume: Species balance: Overall balance: Ques7ons: •  Are these equa2ons independent? •  Can we derive one from the other? Species Mass Balance versus Total Mass Balanc...
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