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As an alternative in the lab, there is anhydrous sodium hydroxide. Using calorimetry the heat change when dissolving Sodium hydroxide in water can be determined.

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As an alternative in the lab, there is anhydrous sodium hydroxide. Using calorimetry the heat change when dissolving Sodium hydroxide in water can be determined. 5.00g of the anhydrous Sodium hydroxide was weighed and dissolved in 100.0mL of water. The initial temperature was found to be 25.4C and final temperature was recorded to be 39.9C. Determine the molar enthalpy of solution of Sodium hydroxide. [5]

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