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Some nucleus of X74189 (atomic mass = 188.96191 u) undergoes decay to become X175189 (atomic mass = 188.95922 u). What is the energy (in

Some nucleus of X74189 (atomic mass = 188.96191 u) undergoes β− decay to become X175189 (atomic mass = 188.95922 u). What is the energy (in MeV) released in this process?

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