Question

Determine the total number of molecules present in 24gm of co2

Answer 1

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 avagadro's number.

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Answer 2

Answer:

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