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Calculating the concentration of sodium hydroxide using calorimetry

  1. Apr 2, 2008 #1
    I need to determine the concentration of 100cm3 of aqueous sodium hydroxide solution (approximately to 2 mol dm-3) using 200cm3 of sulphuric acid by calorimetry (Enthalpy of neutralisation).

    I am using E=mct. As its an exothermic reaction i will be finding the temperature difference. From this i can calculate energy.

    I am not sure how to calculate the concentration from here. The enthalpy of neutralisation is -57 kj mol-1 if i have 0.5:1 mol ratio or 1:2 -114 kj mol-1 is it true that the enthalpy output changes when this happens.

    Using this information how would i go about calculating the concentration of sodium hydroxide.
     
    Last edited: Apr 2, 2008
  2. jcsd
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