4-2. Determine the mass density, ?, for the mixing process illustrated in Figure 4-2.
4-3. A liquid hydrocarbon mixture was made by adding 295 kg of benzene, 289 kg of toluene and 287 kg of p-xylene. Assume there is no change of volume upon mixing, i.e., 0??mixV, in order to determine:
1. The species density of each species in the mixture.
2. The total mass density.
3. The mass fraction of each species.
4-4. A gas mixture contains the following quantities (per cubic meter) of carbon monoxide, carbon dioxide and hydrogen: carbon monoxide, 0.5 kmol/m3, carbon dioxide, 0.5 kmol/m3, and hydrogen, 0.6 kmol/m3. Determine the species mass density and mass fraction of each of the components in the mixture.
4-5. The species mass densities of a three-component (A, B, and C) liquid mixture are: acetone, , acetic acid, , and ethanol, . Determine the ollowing for this mixture: 3326.4 kg/m??A3326.4kg/m??B3217.6 kg/m??C
1. The mass fraction of each species in the mixture.
2 The mole fraction of each species in the mixture.
3. The mass of each component required to make one cubic meter of mixture.
4-6. A mixture of gases contains one kilogram of each of the following species: methane (A), ethane (B), ropane (C), carbon dioxide (D), and nitrogen (E). Calculate the following:
1. The mole fraction of each species in the mixture
2. The average molecular mass of the mixture
4-7. Two gas streams, having the flow rates and properties indicated in Table 4.7, are mixed in a pipeline. Assume perfect mixing, i.e. no change of volume upon mixing, and determine the composition of the mixed stream in mol/m3.
Table 4.7. Composition of gas streams
Mass flow rate