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Materials
Proving that water is the universal solvent, we conducted this experiment with salt, Baking Soda, Oil, and water. Based on our results we were able to prove that since water is polar, can dissolve polar solutes such as salt and baking soda.
Two ways we could change the lab to get different results is if we :
1.) Stirred the mixture for more time
2.) If we heated up the solvents before hand.
Hypothesis
If water is a universal solvent due to its polarity, then it will be able to dissolve other polar substances such as salt, and baking soda. If this is true then non-polar liquids, such as oil, will not be able to dissolve into water.
Two ways we could change the lab to get different results is if:
1.) We stirred the mixture for more time.
2.) If we heated up the solvents before hand.
We found that this statement is true because water was able to dissolve salt and baking soda (polar substances) while it was not able to dissolve oil (a non-polar substance.)
Data Evidence
Oil S & Water S
Water is a polar substance because it has both positive and negative charges.