1) If 1050 cm 3 of a gas with a density of 0.0009 g/cm 3 condenses to...
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1) If 1050 cm3 of a gas with a density of 0.0009 g/cm3 condenses to a liquid with a density of 0.7 g/cm3, what is the volume of the liquid?
2) A liter of oxygen has a mass of 1.4 g and the oxygen molecule has a mass of 32 amu. How many oxygen molecules are there in four liters of oxygen?
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