ANS. B) 0.36
molar mass of CO2= 12 + 16 x 2 = 44g
44g of CO2 gives 1 mol of CO2
8g of CO2 gives 8/44 mol of CO2
1 mol of CO2 has 2 mol of
O2 atoms
8/44 mol of CO2 has 16/44 mol of O2
atoms
so, 16/44 mol of O2 atoms = 0.36 moles of O2 atoms
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