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Two aqueous solution containing, respect...

Two aqueous solution containing, respectively, 7 g urea (molar mass = 60 g) and 42 g of substance `X` in `100 g` of water freeze at the same temperarture. Calculate the molecular weight of `X`.

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To solve the problem of finding the molecular weight of substance X, we will use the concept of freezing point depression and the relationship between molality and the number of moles of solute. ### Step-by-step Solution: 1. **Identify the Given Data:** - For Solution 1 (Urea): - Mass of Urea (solute) = 7 g - Molar mass of Urea = 60 g/mol ...
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