Jakou hustotu má za standardních podmínek plynný oxid uhelnatý?
Správná odpověď je: B, D
Molární hmotnost CO je 28 g/mol. Pro výpočet hustoty použijeme hmotnost a objem 1 molu. Výpočet provedeme následovně:
ρ = m/V = M/Vid = 28/22,414 = 1,25 g/dm3 = 1,25 kg/m3 = 0,00125 g/cm3.
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