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The enthalpy change of which reaction ...

The enthalpy change of which reaction corresponds to `DeltaH_(f)^(@) "for"Na_(2)CO_(3)(s)298K?`

A

`2Na(s)+C(s)+(3)/(2)O_(2)(g)toNa_(2)CO_(3)(s)`

B

`2Na_(2)O(s)+CO_(2)(g)to Na_(2)CO_(3)(s)`

C

`2Na^(+)(aq)+CO_(3)^(2-)(aq)to Na_(2)CO_(3)(s)`

D

`2Na^(+)(aq)+2OH^(-)(aq)+CO_(2)(aq)to Na_(2)CO_(3)(s)+H_(2)O`

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