erincadeKimberry erincadeKimberry

04-07-2016
Chemistry

contestada

a mole of carbon dioxide (co2) has 12.0 grams of carbon (c) and 32.0 grams of oxygen (o). what is the percent composition of carbon in carbon dioxide?

Respuesta :

daniel987 daniel987

08-07-2016

the moles of the elements need to calculated first
C = 12 / 12 = 1
02 = 32 / 16 = 2
then...
%composition of carbon = 100 x (1/2)
% composition of carbon = 50%
hope that helps

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