Neutralising 0.050 mol of HCl with excess NaOH releases 2.85 kJ of heat. What is the enthalpy of neutralisation?

1. A Option A: −2.85 kJ mol⁻¹
2. B Option B: −28.5 kJ mol⁻¹
3. C Option C: −143 kJ mol⁻¹
4. D Option D: −57 kJ mol⁻¹

Answer checked 11 October 2026 · How we write and check questions