Seudónimo
Seudónimo
06-11-2016
Chemistry
contestada
show working out pls thanks!
Respuesta :
kittycat777
kittycat777
06-11-2016
Ca=40
C=12
O=16, so O3=48.
By summing up, you get 100 for CaCO3.
The percentage of C is therefore 12/100=12%.
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