a 40.0 mg sample of a gas occupies 25.00 mL at STP. calculate the molar mass.
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a 40.0 mg sample of a gas occupies 25.00 mL at STP. calculate the molar mass.
A sample of carbon dioxide gas occupies 10,903 mL at STP. What is the mass of the sample? QUESTION 2 A 598 mL sample of carbon dioxide gas, CO2, is collected at 1.72 atm and 36.7 °C. What is the mass of the carbon dioxide?
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