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General Knowledge · Q57

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Competitive Exams · General Knowledge · question 57

Q57

The number of g-molecule of oxygen in 6.02 x 1024 CO molecules is

A.
1 gram of molecule
B.
0.5 gram of molecule
C.
5 gram of molecule
Answer
D.
10 gram of molecule

Answer: Option C

Solution

Answer: Option C
Solution:
In this question gram molecules simply means number of moles of O2 molecules.
So we have 6.02*10^24 atoms of Oxygen means 3.01*10^24 molecules of O2.
3.01*10^24 molecules of O2 are equal to 5 moles.

Source : Quora.com