NDA2016General AbilityGeneral ScienceActual
Which one of the following has different number of molecules? (All are kept at normal temperature and pressure)
Options
- A3 gram of Hydrogen
- B48 gram of Oxygen
- C42 gram of Nitrogen
- D2 gram of Carbon
Correct answer
B. 48 gram of Oxygen
Step-by-step solution
10²³ molecules O ₂ 1 mole of . O ₂ )=9.033 10²³ molecules of O ₂