At 300 K, the density of a certain gaseous molecule at 2 bar is double to that of
dinitrogen (N2 ) at 4 bar. The molar mass of gaseous molecule is :
- A28 g mol$$-$$1
- B56 g mol$$-$$1
- C112 g mol$$-$$1
- D224 g mol$$-$$1
✓ Correct answer: C
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