Q 8. Convert into mole.
(a) 12 g of oxygen gas
The molecular Mass of the Oxygen = 32 g
Now,
Since 32 g Oxygen = 1 mole
The number of moles in 12 g Oxygen:
CBSE Class 10, 12 syllabus 2024-25 out; board restores two-level mathematics rule
CBSE Class 10 board exam 2024 passing criteria, eligibility for compartment; all you need to know
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