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Question Number 178009 by Spillover last updated on 12/Oct/22

Commented by Beginner last updated on 12/Oct/22

oxygen should be 16

$${oxygen}\:{should}\:{be}\:\mathrm{16} \\ $$

Commented by Spillover last updated on 12/Oct/22

yes your right.thank you for reminding me.[C=12 O=16]

$$\mathrm{yes}\:\mathrm{your}\:\mathrm{right}.\mathrm{thank}\:\mathrm{you}\:\mathrm{for} \\ $$$$\mathrm{reminding}\:\mathrm{me}.\left[\mathrm{C}=\mathrm{12}\:\:\mathrm{O}=\mathrm{16}\right] \\ $$

Answered by a.lgnaoui last updated on 12/Oct/22

the compound is CO_2 Masse totale=12+32=44 masse carbone=((12)/(44))=(3/(11))=((27)/(99))≡27,27% masse oxygene=((32)/(44))=(8/(11))=((72)/(99))≡72%

$${the}\:{compound}\:{is}\:{CO}_{\mathrm{2}} \\ $$$${Masse}\:{totale}=\mathrm{12}+\mathrm{32}=\mathrm{44} \\ $$$${masse}\:{carbone}=\frac{\mathrm{12}}{\mathrm{44}}=\frac{\mathrm{3}}{\mathrm{11}}=\frac{\mathrm{27}}{\mathrm{99}}\equiv\mathrm{27},\mathrm{27\%} \\ $$$${masse}\:{oxygene}=\frac{\mathrm{32}}{\mathrm{44}}=\frac{\mathrm{8}}{\mathrm{11}}=\frac{\mathrm{72}}{\mathrm{99}}\equiv\mathrm{72\%} \\ $$

Commented by Spillover last updated on 12/Oct/22

thank you

$$\mathrm{thank}\:\mathrm{you} \\ $$

Answered by Spillover last updated on 12/Oct/22

Answered by Spillover last updated on 12/Oct/22

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