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A crystalline compound when heated becam...

A crystalline compound when heated became anhydrous by losing 51.2 % of the mass. On analysis, the anhydrous compound gave the following percentage composition: Mg = 20.0 %, S = 26.66 % and O = 53.33 %, Calculate the molecular formula of the anhydrous compound and crystalline compound. The molecular mass of anhydrous compound is 120 u.

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To solve the problem step by step, we will first determine the empirical formula of the anhydrous compound and then calculate the molecular formula of both the anhydrous compound and the crystalline compound. ### Step 1: Calculate the moles of each element in the anhydrous compound Given the percentage composition of the anhydrous compound: - Magnesium (Mg) = 20.0% - Sulfur (S) = 26.66% - Oxygen (O) = 53.33% ...
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