Calculate the total pressure of the gas mixture

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1. Heliox is a helium-oxygen mixture used in scuba diving. At 298K in a 16.0 L tank, the partial pressures of helium and oxygen are 18.5 atm and 0.413 atm, respectively. 

a. Calculate the total pressure of the gas mixture.

b. Calculate the mole fractions of each component of the mixture. 

c. Calculate the mass of each component in the mixture. 

2. At STP, air can be considered a mixture of ideal gases: 21.0% O2, 78.0% N2, and 1.00% Ar by volume.

a. Calculate the partial pressure of each gas at STP. 

b. Briefly explain Dalton's law of partial pressures, using the kinetic theory of gases. 

c. Calculate the density of air in g L-1 at STP. 

Reference no: EM132362986

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