how many number of carbon atoms are present in hundred grams carbon dioxide
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We know,
Molar mass of CO₂ = 12 + 2×16 = 12 + 32 = 44g
No of moles in CO₂ = Weight in g/Molecular weight = 100/44 = 2.27 mol
Number of C atoms in 100g of CO₂ = No. of moles of molecules × Avogadro's constant
= 2.27 × 6.022× 10²³
= 13.68 × 10²³
= 1.368 × 10²⁴
Molar mass of CO₂ = 12 + 2×16 = 12 + 32 = 44g
No of moles in CO₂ = Weight in g/Molecular weight = 100/44 = 2.27 mol
Number of C atoms in 100g of CO₂ = No. of moles of molecules × Avogadro's constant
= 2.27 × 6.022× 10²³
= 13.68 × 10²³
= 1.368 × 10²⁴
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