Atomic mass of the element x

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An element X has a tribromide with the empirical formula XBr3 and a trichloride with the empirical formula XCl3. The tribromide is converted to the trichloride according to the equation

XBr3 + Cl2→ XCl3 + Br2

If the complete conversion of 1.334 g of XBr3 results in the formation of 0.722 g of XCl3, what is the atomic mass of the element X?

Reference no: EM13910185

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