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b) Carbon and Oxygen combine in …

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b) Carbon and Oxygen combine in the ratio of 3:8 by mass to form CO2.What mass of oxygen would be required to react completely with 9 g of Carbon?

Posted by Shevani 123 4 years ago

CBSE > Class 09 > Science

1 answers

Gaurav Seth 4 years 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

0Thank You

ANSWER

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CBSE > Class 09 > Science