Question

the number of oxygen atoms in 4.4g of CO2 is approx?
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Answer 1

Answer:

1.246×10^230 oxygen atoms

Explanation:

molar mass of CO2 = 44 g/mol

Number of moles in 4.4 g of CO2

= 4.4/ 44 = 0.1 moles

One mole of CO2 contains = 2 moles of oxygen atoms

0.1 mole contains =2 × 0.1 = 0.2 moles of oxygen atoms = 0.2 x 6.023 x 10^23 = 1.246 x 10^23 oxygen atoms

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