The enthalpy of neutralization of a weak mono basic acid in 1M solution with a strong base is -56.1 kJ/mole. If enthalpy of ionization of the acid is 1.6 kJ/mole and enthalpy of neutralization of the strong acid with strong base is -57.3 kJ/mole. What is the % ionization of the weak mono basic acid in molar solution is----------------------
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answer is 25.
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Detailed Solution
∆Hionization= ∆Hneutralization-∆HH++OH-→H2O =-56.1-(-57.3)=1.2 If no self ionization of weak mono basic acid occurs the ∆Hionization = 1.6 kJ/mole% ionization =1.6-1.21.6×100=25
The enthalpy of neutralization of a weak mono basic acid in 1M solution with a strong base is -56.1 kJ/mole. If enthalpy of ionization of the acid is 1.6 kJ/mole and enthalpy of neutralization of the strong acid with strong base is -57.3 kJ/mole. What is the % ionization of the weak mono basic acid in molar solution is----------------------