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If the enthalpies of formation of C3H8(g...

If the enthalpies of formation of `C_3H_8(g), CO_2(g) and H_2O(l)` at standard conditions are `-104 kJ mol^-1, -394 kJ mol^-1 and -286 kJ mol^-1` respectively then the standard Enthalpy of combustion of 66 g of `C_3H_8(g)` will be

A

`- 2222 kJ`

B

` - 2500 kJ`

C

`- 784 kJ`

D

`- 3333 kJ`

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The correct Answer is:
C
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