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Calculating The percentages of Carbon and Oxygen Examples​

Sagot :

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CALCULATING THE PERCENTAGES OF CARBON AND OXYGEN

%Carbon to %Oxygen

[tex] \small \tt \: \frac{2.00g}{ + 7.34g} \times 100 = 27.2 \% \: \rightarrow \: \frac{5.34g}{7.34g} \times 100 = 72.8 \%[/tex]

[tex] \small\tt \: \frac{15.00g}{55.05g} \times 100 = 27.2 \% \rightarrow \: \frac{40.05g}{55.05g} \times 100 = 72.8 \%[/tex]

[tex] \small \tt \: \frac{5.00g}{18.36g} \times 100 = 27.2 \% \rightarrow \: \frac{13.36g}{18.36g} \times 100 = 72.8 \%[/tex]

The calculation show that the Percentage of Carbon in CO₂ which is 27.2% is the same for the three trials also the percentage of oxygen in CO₂ in 72.8% for three trials. Those the ratio of carbon to oxygen (C:O) is:

[tex] \large { \boxed{\tt{ \frac{C}{O} = \frac{27.2}{72.8} = \frac{3}{8}}}}[/tex]

ADDITIONAL INFORMATION:

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