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At temperature of 273 K and pressure of 1.00 × 10−2 atm, the density of a...

At temperature of 273 K and pressure of 1.00 × 10−2 atm, the density of a monatomic gas is 1.24 × 10−5g/cm3.

Also, we know 1 atm = 1.01 × 105 Pa, R = 8.31 J/mol.K and ? = 1.38 × 10−23 J/K.

(a) Find ???? for the gas particles.

(b) Find the molar mass of the gas.

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