Question

the no of molecules present in 5.6 liters of CO2 at STP is​

Answer 1

No: of moles = Given Volume/22.4

No: of moles = Number of particles/Avogadro number

Therefore,

Given Volume/22.4 = Number of particles/Avogadro number

No: of particles = Given Volume/22.4 * Avogadro number

                           = 5.6/22.4 * 6.022*10²³ = 1.5055*10²³

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Answer 2

Answer:

At STP 22.4 L of volume is occupied by 1 mole of gas. So 5.6 L is occupied by 5.6/22.4 = 0.25moles

Explanation: