ThermochemistryHard
Question
The enthalpy of neutralization of a strong monobasic acid by a strong monoacidic base is –13,700 cal. A certain monobasic weak acid is 10% ionized in a molar solution. If the enthalpy of ionization of the weak acid is +400cal/mole, then what is the enthalpy of neutralization of one molar solution of the weak acid?
Options
A.−13,700 cal
B.−13,340 cal
C.−13,660 cal
D.−13,300 cal
Solution
Required $\Delta H = - (13700 - 400 \times 0.9) = - 13340\text{ cal}$
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