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Matt did an experiment to study the solubility of two substances. He poured 100 mL of water at 20 °C into each of two beakers labeled A and B. He put 50 g of Substance A in the beaker labeled A and 50
Matt did an experiment to study the solubility of two substances. He poured 100 mL of water at 20 °C into each of two beakers labeled A and B. He put 50 g of Substance A in the beaker labeled A and 50 g of Substance B in the beaker labeled B. The solution in both beakers was stirred for 1 minute. The amount of substance left undissolved in the beakers was weighed. The experiment was repeated for different temperatures of water and the observations were recorded as shown.
Experimental ObservationsSubstanceMass of Undissolved Substance at Different Temperatures (gram)20 °C40 °C60 °C80 °CA50505050B10852
Part 1: Which, if any, substance is soluble in water?Part 2: Explain how the data helped you determine solubility for both substances for temperatures 20 °C to 80 °C.
