calculate the number of particles in 8 gram of oxygen molecules
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Molar mass of oxygen gas = 32g
no. of moles in 8g = 8/32 = 0.25 moles
no. of particles(molecules) = 0.25 * 6.02 * 10^23 = 1.5 * 10^23
no. of moles in 8g = 8/32 = 0.25 moles
no. of particles(molecules) = 0.25 * 6.02 * 10^23 = 1.5 * 10^23
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