Q3 20 cm of an unknown hydrocarbon burns completely in 130 cm
oxygen to produce 80 cm Co,. What is the molecular fomula of the
unknown hydrocarbon?
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Ответ:
0.789 = ρsubstance / 1000 kg/m^3
ρsubstance = 789 kg / m^3
Hope this answers the question. Have a nice day.