The table below shows four samples of carbon dioxide gas and the temperature of the water that they were dissolved in.SampleTemperature of water (°C)1 782 733 554 63Which of the samples most likely had the lowest solubility?

For most gases, including carbon dioxide, solubility in water decreases as the water temperature increases. Sample 1 was dissolved in the warmest water, at 78°C, so it most likely had the lowest solubility. The correct choice is A, sample 1.

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