Question: Gas is contained in an 8.00-L vessel at a temperature of 20.0C and a pressure of 9.00 atm. (a) Determine the number of moles of

Gas is contained in an 8.00-L vessel at a temperature of 20.0°C and a pressure of 9.00 atm. (a) Determine the number of moles of gas in the vessel. (b) How many molecules are there in the vessel?

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