DATA SHEET

1 ) Anhydrous NaAc:

Weight of NaAc ______________ g Moles of NaAc _______________ moles

Room Temp. __________°C Final Temp. __________ °C ΔT ___________°C

Heat given off:

____________ Joules

ΔH sol’n (per mole) for the anhydrous:

____________kJ/mol

2) NaAc •^. 3H₂O

Weight of NaAc • 3H₂O _____________ g Moles of NaAc • 3H₂O ________________ moles

Room Temp. ____________°C Final Temp. ____________ °C ΔT __________°C

Heat absorbed:

____________ Joules

ΔH sol’n (per mole) for the hydrate:

____________kJ/mol

3) Molar Enthalpy of Hydration of Sodium Acetate

ΔH sol’n (anhydrous) - ΔH sol’n (hydrate) = ΔH of hydration

_____________kJ/mol

Return to 111-112 Table of Contents