calculate the percentage composition of the compound CO2

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Solution

Molar mass of CO₂ = 44 g
Molar mass of carbon = 12 g
Molar mass of O₂= 32 g
Now , the percentage composition of carbon in CO₂ :
$\frac{M o l a r m a s s o f c a r b o n}{M o l a r m a s s o f c a r b o n d i o x i d e} \times 100 \frac{12}{44} \times 100 = 27.27 % P e r c e n t a g e c o m p o s i t i o n o f O_{2} i n C O_{2} : \frac{32}{44} \times 100 = 72.72 %$

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