Calculate the mass of 112 cubic cm of hydrogen at STP.

0.04 g

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0.03 g

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0.01 g

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0.05 g

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Solution

The correct option is B 0.01 g
The volume occupied by 1 mole of any gas at STP is 22400 cubic cm

Number of moles of $112$ cubic cm of hydrogen gas $= \frac{112}{22400} = 0.005 m o l e s$

The molar mass of hydrogen gas= 2 g

Weight of hydrogen gas $= 0.005 \times 2 = 0.01 g m$

Hence, the correct option is $C$

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Similar questions

If 112 cm³ of hydrogen sulphide is mixed with 120 cm³ of chlorine at STP, what mass of sulphur is formed?

The mass of 112 $c m^{3}$ of $C H_{4}$ at STP is:

112

c m^{3}

112 c m^{3}

{C H}_{4}

0.32

112

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