Question

Calculate the number of particles in 22g of CO2​

Answer 1

Answer:

The mass number of CO2 = 2x16 + 12 =44,

so one mole of C02 has a mass of 44g.

Two moles of CO2 weighs 2 x 44 = 88g.

The number of moles in 22g of CO2 = 22/44 = 0.5.

One mole always contains the same number of particles which is given by Avogadro's number.

Explanation:

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Answer 2

Explanation:

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