Calculate number of particles in 32g of oxygen gas
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Explanation:
Molar mass of oxygen gas O2 = 2*16 = 32g
No. of particles = No. of moles × Avogadro's number
=Given mass / Molar mass × 6.023 × 10^23
= 32/32×6.023×10^23
=6.023 × 10^23 particles
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