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Question

Calculate the number of moles in 1 × 1023 molecules of CO2

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Solution

No.of moles = Given no.of particles ÷ Avogadro no:

Given no.of particles = 10²³

∴ No : of moles = 10²³ ÷ 6.022 × 10²³
= 1 / 6.022
= 0.16 moles.


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