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The enthalpies of combustion of carbon a...

The enthalpies of combustion of carbon and carbon monoxide are -393.5 and `-283 kJ mol^-1` respectively. The enthalpy of formation of carbon monoxide per mole is

A

-110.5 kJ

B

676.5 kJ

C

-676.5 kJ

D

110.5 kJ

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A
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