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Grade 12th passPhysical Chemistry

The empirical formula for biomass of an unknown organism is Cdiv.8O0.5N0.2. To grow this
organism, ethanol (C2H5OH) and ammonia are used as carbon and nitrogen sources, respectively.
Assume no product formation other than biomass. To produce 1 mole of biomass from 1 mole of
ethanol, the number of moles of oxygen required will be

Profile image of Shruti
9 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas TU
9 Years ago
From 1 moles of biomass the total moles of Oxygen => 1 x (0.5 + 2) => 2.5 moles
From 1 mole ethanol = > Moles of O atoms => 1 moles.
Total moles = 2.5 – 1 = 1.5 moles.

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