What is the mass of 0.2 …
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Posted by Madhur Sharma 5 years, 7 months ago
- 4 answers
Satjinder Dhillon 5 years, 7 months ago
1. If it oxygen atom...
Atomic mass = 16 u
Gram atomic mass = 16gm
i.e. 16gm oxygen atoms have 1 mole of atoms
Which means 0.2 moles of atom = 0.2 × 16 gm
= 3.2gms
2. If its oxygen gas(molecule) O2 then
Molecular mass of O2 = 32 u
Gram molecular mass is 32gm
i.e. 1 mole of O2 molecules have 32 gm mass
Hence 0.2 moles = 0.2 x 32 gm
i.e. 6.4 gm is the answer
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Arpit Verma 5 years, 7 months ago
0Thank You