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28-02-2024
Chemistry

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What is the molality of a solution prepared by dissolving 8.19 g of urea, NH₂CONH₂, in 31.5 g of water?
1) 0.206 m
2) 0.26126 m
3) 0.0723 m
4) 4.32 m
5) 0.00343 m

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