IOM 2016, Блиц — Задача 68

Olympiad of Metropolises, Moscow. Blitz Contest, September, 5 · 5 септември 2016 г.

Условие

Ethanol can be produced either by direct hydration of ethylene or by the biological method using waste crops as a raw material. To obtain 370 L of ethanol (ρ = 0.8 g/cm$^3$), a bioethanol plant uses one ton (1000 kg) of wasted wheat. How many kilograms of wasted wheat are required to produce the same amount of ethanol as can be obtained from 1000 kg of ethylene? Assume, that there are no losses in the production process. (Molar mass of ethanol is 46 g/mol). Give the integer answer without units.

Решение

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Оригинал в Архива: blitz.pdf