An empty cylindrical canister 1.50 m long and 90.0 cm in diameteris to be filled with pure oxygen at 22.0C to store in a space station.To hold as much gas as possible, the absolute pressure of the oxygenwill be 21.0 atm. The molar mass of oxygen is 32.0 g/mol. (a) How manymoles of oxygen does this canister hold? (b) For someone lifting this canister,by how many kilograms does this gas increase the mass to be lifted?

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An empty cylindrical canister 1.50 m long and 90.0 cm in diameter
is to be filled with pure oxygen at 22.0C to store in a space station.
To hold as much gas as possible, the absolute pressure of the oxygen
will be 21.0 atm. The molar mass of oxygen is 32.0 g/mol. (a) How many
moles of oxygen does this canister hold? (b) For someone lifting this canister,
by how many kilograms does this gas increase the mass to be lifted?

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