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The enthalpy of neutralization for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much energy will be released when 185.0 mL of 0.400 M HCl is mixed with 152.5 mL of 0.500 M NaOH?

  • chemistry -

    0.1850*0.400 = ?moles HCl
    0.1525*0.500 = x moles NaOH
    I have 0.07625 moles NaOH and 0.07400 moles HCl; therefore, 0.07400 moles H2O should be formed.
    56 kJ/mol x moles H2O formed = heat released.

  • chemistry -

    -4.1 KJ

  • chemistry -

    That's what I have.

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