Stoichiometry
Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.

57.46
114.92
-28.73
-57.46

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Stoichiometry
Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because

The strong base and strong acid reacts in aqueous solution
The strong base and strong acid reacts completely
The salt formed does not hydrolyse
Only OH⁻ and H⁺ ions react in every case

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