The no oxygen atoms in 4.4 g of co2 is approximately
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Number of moles in 4.4 g of CO2
= 4.4 /44 = 0.1
Number of oxygen atoms in 1 mole of CO2 = 2 *NA
Number of oxygen atoms in 0.1 mole of CO2 = 0.1 * 2 * NA
= 0.2 * 6.022 * 10^23
=1.20 *10^23
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