2Z3
231
Mass of solute used:
Amount of water used:
Solute*
NaOH(s) AH, = —44.54 kj/mol
NaO2CCH3 *3H20 (s)
= +19.96 kj/mol
NH4CI (s) 611m = +14.8 kilmol I
Mass
Molar Mass (g/mol)
Moles
2,04
2_ .qa
Na C! (s) 611m = +3.87 kilmol
(1)
Tnnat (°C)
(
Specific Heat Capacity of water (c) = 4.18 j/g-C
Tinitia/ (°C)
C
V(
2_0•C
Q
A1-1,„
122•