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Kinetic Theory of Gases

Density of ...

Question

Density of $S O_{2}$ gas at STP is:

3.2

kg m

^{- 3}

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0.64

kg m

^{- 3}

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2.859

kg m

^{- 3}

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8.259

kg m

^{- 3}

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Solution

The correct option is C $2.859$ kg m $^{- 3}$
(C) $2.859 k g / m^{3}$
$S = 32 g$
$O_{2} = 32 g$
$∴ 32 + 32 = 64 g$
Now, $(64 g / m o l) (1 m o l e / 22.4 l a t S T P)$
$= 2.859 k g / m^{3}$

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