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Avogadro number is...

Avogadro number is  

A

of atoms in one gram-atomic-weight

B

of molecules in one gram-molecular-weight

C

of atoms in 0.012 kg of C-12

D

of atoms in 3.2 grams of oxygen

Text Solution

Verified by Experts

The correct Answer is:
D
3.2 gm `O_(2)=(3.2)/(32)` moles = 0.1 moles
= `0.1xxN_(0)xx2` atoms
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