Question
You are given a vial with an unknown compound. You are told that it is a sodium
compound. You need to determine the identity of the halide. When 1.57 g of NaX is added
to 39.2 g of distilled water, the resulting solution was cooled and the freezing point was
determined to be -1.45 °C. What is the identity of X? (Assume the freezing point of the
distilled water is 0.00°C.)
4.
halide
140

Image Transcription

You are given a vial with an unknown compound. You are told that it is a sodium compound. You need to determine the identity of the halide. When 1.57 g of NaX is added to 39.2 g of distilled water, the resulting solution was cooled and the freezing point was determined to be -1.45 °C. What is the identity of X? (Assume the freezing point of the distilled water is 0.00°C.) 4. halide 140

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