He flow rate of propyl acetate in the mixutre is to be 120.0 lb-mole/h. what must the mixture flow rate be in lbm/h? 0.614 x 104 lbm/h

Explanation:

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In this case, the following mole-mass relationship is used to convert from lb-mole to lbm of propyl acetate, considering its molar mass of 102.131lbm/lb-mol (structure on the attached picture):

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explanation: