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Chemistry, 11.09.2019 17:10 samjohnson2383

John hypothesized that dissolving salt into water produced a chemical reaction because of the salt completely disappeared in the water. he dissolved 10 grams of salt into 500 ml of pure water. after leaving the beaker in the sunlight a few days later, water completely disappeared and salt crystals were left in the bottom of the beaker. based on this observation, john knew his hypothesis was incorrect because

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