how many molecules of CO2 are present in one litre of air containing 0.03% volume of CO2 at NTP?
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so 0.0003 litres of CO2 will contain 0.0003/22.4 no.of moles of CO2 i.e (3 * 10^-4)*(6.022 * 10^23)/22.4 number of molecules which comes out to be 8.065 * 10^18 molecules. Any gas at NTP has a Volume= 22400 ml. 22400 ml of CO2 contains= 6.022 x 10^23 Molecules.
saiprasad8389:
to ur ans is wrong...... correct answer is 8.07×10^18 molecules
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10^23 molecules are present in the air
its 6.022 ×10^23 molecules
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