Question- the enthalpy of neutralization of hcl with naoh, Ask an Expert

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Question- The enthalpy of neutralization of HCL with NaOH is -55.8 kJ/mol when very dilute solutions are mixed, but is -58.2 kJ/mol when 2M solutions are mixed. The reaction is:

H+ (aq) + OH- (aq) --> H2O (l)

Assuming that the enthalpy of water nearly independent of electrolyte concentration is the enthalpy per mole of the ions higher or lower in concentrated solutions?

I don't know how to reach these answers so please show the steps, thank you!

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