The student investigated the temperature change when different masses of sodium carbonate were added to 50 cm3 of water at 20 °C.
Table 2 below shows the results.
Mass of sodium carbonate in g
2.0
4.0
6.0
8.0
10.0
12.0
14.0
Final temperature of solution in °C
21.5
23.0
24,5
26.0
26.6
26.6
26.6
Describe the relationship between the mass of sodium carbonate added and the final
temperature of the solution.
Use values from Table 2 in your answer. D
(3 Points)