b) Carbon and Oxygen combine in …
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Gaurav Seth 4 years, 10 months ago
Carbon and oxygen reacts in a ratio 3:8 by mass to form Carbon dioxide
Hence the required reaction is ;
C + O2 --> CO2
Carbon : Oxygen = 3 : 8
Due to law of constant proportion, the mass ratio in which the reactants will react will remain constant.
Carbon --> 9 g
Oxygen --> ?
C : O2 = 3:8
9 : O2 = 3:8
9/O2 = 3/8
Mass of oxygen required
= (9/3)×8
= 3×8
= 24 g
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