Nitrogen is slightly less dense than is a sample of air at the same temperature and...

Nitrogen is slightly less dense than is a sample of air at the same temperature and pressure. Calculate the density of N2 in g/L, at 1.45 atm at 15 degree Celsius

Solutions

Expert Solution

Using ideal gas law, pV = nRT

Where, p = pressure in atm = 1 atm

V =volume in L

n = number of moles = 1 [standard condition]

R = universal gas constant= 0.08205746 atm L mol^-1K^-1

Volume, V = nRT/ P = [1 mol x (0.08205746 atm L mol^-1K^-1) x 288 K ] = 23.63255 L

Mass of 1 mole N2 gas = moles x molecular mss

= 1 mole x 28.014 g mol^-1

= 28.014 g

Density = mass / volume

= 28.014 g / 23.63255 L = 1.185 g/ L

queen_honey_blossom answered 10 months ago

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