Question

At STP 5.6 litre oof a gas weigh 60g.The vapour density of gas is;

Answer 1

Given:

Weight of 5.6 liters of gas = 60g

To find:

Vapor density of gas = ?

Formula to be used:

$Vapor density = \frac{Molecular weight}{2}$

Calculation:

As 5.6 liters of gas weighs 60g, 22.4 liters of gas weighs

$\frac{8\times 22.4}{5.6} = 32 gm$

As the molecular weight of gas is equal to the weight of 22.4 liters of gas, the molecular weight of the gas is identified as 32g.

When this value is substituted in vapor density formula it gives

$Vapor density = \frac{Molecular weight}{2} = \frac{32}{2} = 16$

Conclusion:

Thus the vapor density of gas is found to be 16.

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Answer 2

Answer:

Answer is 120 gm.

Explanation:

Molecular weight of a gas = 60/5.6x22.4=240

Vapour density = Molecular weight of a gas /2

=240/2 = 120 gm.