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WGU Introduction to Chemistry (D425) New OA Set 2 with Answers & Rationale

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Homogeneous mixture

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When table salt (sodium chloride) is dissolved in water, it forms a uniform solution where the salt is evenly distributed throughout. This is classi῿ed as a homogeneous mixture.

The substance has a freezing point of -114°C and a boiling point of 98°C. At 25°C, the temperature is between the freezing and boiling points. Therefore, the physical state of the substance at 25°C is: Liquid.

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