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3.1 Sampling sites
We used the fridge in our school which could go down to around -30 degrees celsius. We also conducted the experiment using 6 different salt concentrations.
3.2 Melting point of solutions with different salt concentrations.
The 6 different salt concentration showed trending melting points.
Figure 4: Image of the experimental setup.
Figure 5: Image of data being recorded. Observation made was that the cups on the left, which contain a greater salt concentration, has not melted yet.
Table 3: Table of Temperature readings of the melting points against the salt concentrations dissolved in the tap water.
Figure 6: Graph of melting point against salt concentration.
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