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CASE STUDY (PROUST LAW)
Quiz by Febrina Aditya Zahliyanti
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One day, a student named Raka was helping his uncle who worked in a salt processing factory. His uncle told him that the salt used in the factory came from various regions, namely Indramayu, Madura, and some were imported from Australia. Since Raka had just learned about the Law of Permanent Comparison (Proust's Law) at school, he was curious whether the salts from the three regions had the same constituent composition.
To prove it, Raka took a small sample of each salt and brought it to the laboratory for analysis. The laboratory test results showed the following data:
What can you conclude from the table?
​One day, a student named Raka was helping his uncle who worked in a salt processing factory. His uncle told him that the salt used in the factory came from various regions, namely Indramayu, Madura, and some were imported from Australia. Since Raka had just learned about the Law of Permanent Comparison (Proust's Law) at school, he was curious whether the salts from the three regions had the same constituent composition.
To prove it, Raka took a small sample of each salt and brought it to the laboratory for analysis. The laboratory test results showed the following data:
