Question

Out of 22.4L of CO2 at STP and 22g of CO2 which has more number of molecules?​

Answer 1

Number of moles of CO2 at STP in this case will be, n=2.24 ×10-³ L/22.4 L = 0.0001 moles of CO2.

Number of molecules= no. of moles × Avogadro Number × 1.

No. of molecules = 0.0001 × 6.022 × 10^23 = 6.022 × 10^19 molecules.

Therefore at STP, number of molecules of CO2 is 6.022×10^19 molecules.

Answer 2

number of molecules will be more in 22.4 L of CO2 as compared to 22g of CO2

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