Calculate the volume, in dm³, occupied by 26.4 g of carbon dioxide at r.t.p. 24 a (A, values: C = 12.0, 0 = 16.0) %3D %3D A flask of volume 120 cm3 is filled with helium gas at r.t.p. Calculate the mass of helium present in the flask. (A, value: He = 4.0) %3D

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A: This  question is based on Boyle's law. P1V1  = P2V2V2 = P1V1P2

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A: The pressure of carbon dioxide at 298 K is 0.827 atm, this pressure in mmHg is:

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