1.

Which of the following has smallest number of molecules?

A.  \[0.1\,\,mole\,\,of\,C{{O}_{2}}\,gas\]  
B.  \[\text{11}\text{.2 litres of C}{{\text{O}}_{\text{2}}}\text{ gas}\]
C. \[\text{22 gm of C}{{\text{O}}^{\text{2}}}\text{ gas}\]
D.  \[\text{22}.\text{4 }\times \text{ 1}03\,\,\,\text{ml of C}{{\text{O}}^{\text{2}}}\text{ gas}\]
Answer» B.  \[\text{11}\text{.2 litres of C}{{\text{O}}_{\text{2}}}\text{ gas}\]


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