Answer :
The partial pressure of H₂ 0.69 atm is and N₂ is 0.38 atm the total pressure of the gas is 1.07 atm.
given that :
mass of H₂ = 0.174 g
moles of H₂ = mass / molar mass
= 0.174 / 2
= 0.087 mol
moles of N₂ = mass / molar mass
= 1.365 / 28
= 0.048 mol
the ideal gas formula is given as :
P V = n R T
Partial pressure of H₂ = n R T / V
= ( 0.087 × 0.0823 × 273) / 2.83
= 0.69 atm
Partial pressure of N₂ = n R T / V
= ( 0.048 × 0.0823 × 273 ) / 2.83
= 0.38 atm
The total pressure gas = partial pressure of H₂ + partial pressure of N₂
= 0.69 + 0.38
= 1.07 atm
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