Number of molecules present in 11.2litres of oxygen at STP
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Answer:
3.011*10^22 molecules
Explanation:
1 mole of any substance occupies 22.4 litre of volume at STP
22.4 l = 1 mole = avagadro's number of particles
11.2 l of oxygen
= 1/2 Mole of oxygen
= N•/2 number of oxygen molecules
= 6.022 * 10^22
= 3.011 * 10^22 molecules
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