Question

substance having maximum no of molecules is 1)44.8 lit of h2 at stp 2)2gms of helium 3)16gms of methane 4)33gms of co2

Answer 1

Answer:

44.8 lit of h2 at stp

Explanation:

1 mole of a gas at STP  =22.4 L

44.8 L of hydrogen at STP corresponds to  

22.4

44.8

​  

=2 moles.  

2 g helium corresponds to  

4

2

​  

=0.5 moles.  

16 g methane corresponds to  

16

16

​  

=1 mole.  

33 g carbon dioxide corresponds to  

44

33

​  

=0.75 moles.  

Hence, option A is the correct answer.

Answer 2

Answer:

option a is correct

Explanation:

22.4/44.8=2 moles

a is correct

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