earning.com/ibiscms/modWibisWiew phi Gradebook Periodic Table A mixture of 310 m

Question

earning.com/ibiscms/modWibisWiew phi Gradebook Periodic Table A mixture of 310 mol% mpentane (csHre), 540mor% n-hexane (ceHM, and 150 moe% nheptane (c7H MaPAa What is the mass fraction for each compound? Numb 266 g pentane/ g n- Pentane Numbe 554 n-hexane Number g heptane/ g .179 n-heptane What is the average molar mass of the mixture? Incorrect. To find the average molar mass of the mixture you can multiply each species' fraction by the species' molar mas Number g mol M 8376 all components f the flow rate of this mixture is 22.0 molls, what is the mass flow rate? Remember to use the mole fraction of each species and not the mass fraction or the mole percent. Number Previous 8 Give Up & View Solution e Try Again Next d Exit 184272 Ass Availa Due D Points Grade C Descrip Policies: You can You can v up on any You can ke you gel You lose 5 n your que answer. O eTextboo O Help With T O Web Help & O Technical Su

Explanation / Answer

Average molar mass = (x1*M1)+(x2*M2)+(X3*M3)+-----------------------

Here, X is the mole fraction of species 1, and M is the molecular weight of species 2,

Average molar mas s=(0.31* 72.15 g/mol)+(0.54*86.178 g/mol)+(0.15*100.21 g/mol)=83.93 g/mol

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mass flow rate =molar flow rate of the mixture *average molecular weight of the mixture=22 mol/s *83.93 g/mol=1846.46 g/s

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