Chemistry, 20.11.2020 22:10 desirekotta20
A sample of an element has a volume of 78.0 mL and a density of 1.85 g/mL. What is the mass in grams of the sample?
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Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?
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A sample of an element has a volume of 78.0 mL and a density of 1.85 g/mL. What is the mass in grams...
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