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Calculate the heat of formation of KOH f...

Calculate the heat of formation of KOH from the following data
`K_((s)) + H_(2)O + aq rarr KOH_((aq)) + (1)/(2) H_(2(g)) , Delta H = -48.4 K.Cal`
`H_(2(g)) + (1)/(2) O_(2(g)) rarr H_(2)O_((l)) , Delta H = -68.44 K.Cal`
`KOH_((s)) + aq rarr KOH_(aq) , DeltaH = -14.01 K.Cal`

A

`+102.83`

B

`+130.85`

C

`- 102.83`

D

`- 130.85`

Text Solution

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The correct Answer is:
C
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