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The standard heat of formation of sodium...

The standard heat of formation of sodium ions in aqueous solution from the following data:
heat of foramtion of `NaOH(aq.)` at `25^(@)C=-470.7kJ`
heat of formation of `OH^(-)`(aq.) at `25^(@)C=-228.8kJ` is:

A

`-251.9kJ`

B

`241.9kJ`

C

`-241.9kJ`

D

`251.9kJ`

Text Solution

Verified by Experts

The correct Answer is:
C
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