Question

calculate the number of atom present in 5.6 litres of a diatomic gas at NTP

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Answer 1

Hey there!! = no of moles = 0.25 × 2 = 0.5 mole. 22.4 litres of a gas indicates 1mole. so, 5.6 litres of the gas means 0.25 moles

Answer 2

5.6l of O2 means we have 0.25 moles of O2. and as 1 molecule of O2 has 2 atoms, so, 1.50575*10^23 molecules will have 2*1.50575*10^23 atoms=3.0115*10^23 atoms of O

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