At STP, calculate the density of a 1 mole of gas in g/lit whose molecular weight is 45 and volume occupied by gas is in litre.

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22.4

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11.2

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Solution

The correct option is B 2
Density of any gas at
$S T P = d_{S T P} = \frac{W}{22.4} g / l i t .,$
where W is the molecular weight of the gas.
$\Rightarrow d_{S T P} = \frac{45}{22.5} \approx 2 g / l i t .$

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At STP, calculate the density of a 1 mole of gas in g/lit whose molecular weight is 45 and volume occupied by gas is in litre.

The correct option is B 2Density of any gas atSTP=dSTP=W22.4g/lit.,where W is the molecular weight of the gas.⇒dSTP=4522.5≈2g/lit.

The correct option is B 2
Density of any gas at
$S T P = d_{S T P} = \frac{W}{22.4} g / l i t .,$
where W is the molecular weight of the gas.
$\Rightarrow d_{S T P} = \frac{45}{22.5} \approx 2 g / l i t .$