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The maximum number of molecules is prese...

The maximum number of molecules is present in :

A

1.5 L `H_(2)` gas at STP

B

5 L `N_(2)` gas at STP

C

0.5 g `H_(2)` gas

D

10 g `O_(2)` gas.

Text Solution

Verified by Experts

The correct Answer is:
A
15 L `H_(2)` gas at STP
No. of moles `=15/22.4 = 0.2232`
No. of molecules `rArr 0.2232 xx N_(A)`
0.5 g `H_(2)` gas
No. of moles `=0.5/2 -0.25`
No. of molecules `=0.25 x N_(A)`
10 g `O_(2)` gas
No. of moles `=10/32 = 0.3125`
No. of molecules `=0.3125 xx N_(A)`
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Knowledge Check

  • The maximum number of molecule is present in

    A
    15 L of `H_2` gas at STP
    B
    5 L of `N_2` gas at STP
    C
    0.5 g of `H_2` gas
    D
    10 g of `O_2` gas

  • The maximum number of molecule is present in

    A
    15 L of `H_2` gas at STP
    B
    5 L of `N_2` gas at STP
    C
    0.5 g of `H_2` gas
    D
    10 g of `O_2` gas

  • The maximum number of molecules are present in:-

    A
    15 `LH_(2) ` gas at STP
    B
    5L of `N_(2)` gas at STP
    C
    0.5 g`H_(2) ` gas
    D
    10 g of `O_(2)` gas

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