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Now, consider 1 g of nuclear fuel. A common fission reaction is

235U + 1n →91Kr + 142Ba + 3 1n.

The masses of these species (in g/mol) are

235U 235.0439

91Kr 90.9235

142Ba 141.9164

1n 1.0087

What is the mass loss during the reaction? Assume 1 mol of 235U decays. Enter a positive number._________g

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