Calculate the number of particles in 12 gram of oxygen atom
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molar mass of oxygen= 2×16=32g
no of particles = given mass /molar mass ×avagadro number
12/32×6.022×10^23
3/8×6.022×10^23
3/4×3.011×10^23
=2.258×10^23 particles
no of particles = given mass /molar mass ×avagadro number
12/32×6.022×10^23
3/8×6.022×10^23
3/4×3.011×10^23
=2.258×10^23 particles
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