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14. ( 3 marks) Calculate the atomic mass of element X if it has two naturally occurring isotopes with the following masses and

14. ( 3 marks) Calculate the atomic mass of element " X " if it has two naturally occurring isotopes with the following masses and natural abundances? X-45X-4744.8776u46.9443u32.88%67.12% (A) 46.26u B) 45.91u C) 46.34u D) 46.84u

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