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An element X whose atomic weight is 22.7 is a mixture of two isotopes with atomic masses of 24.1 and 22.5, respectively. Calculate the relative abundance (mole percent) of each isotope in the mixture.
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An inorganic chemist studying the reactions of phosphorus halidesmixes 0.1050 mol of PCl5with 0.0420 mol of Cl2 and0.0420 mol of PCl3 in a0.5000 L flask at 250°C. PCl5(g) reversible reaction arrowPCl3(g) + Cl2(g)Kc = 4.2 ...
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