Question

density of a gas is found to be 5.46g/dm^3 at 27°C at 2 bar pressure. what will be its density at STP.

Answer 1

For an ideal gas

ρ = Mp/ RT

From the given data,

5.46 = 2 x M/ 300 x R ………(1)

ALSO ρ at STP = 1 x M/ 273 x R ………..(2)

FROM (1) & (2)

ρ at STP = (1 x M/ 273 x R) x (300 x R/ 2×M)

= 300 / 273 X 2 = 3.00 g/dm^3

Hence, the density of the gas at STP will be 3 g dm^–3.

@skb

Answer 2

HIII.......

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