matt222
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Homework Statement
The problem is attached
Homework Equations
Absorption rate=flux*absorption
absorption=cross section*neutron density
neutron density=Avegadro number *density/atomic mass
The Attempt at a Solution
the problem is just simple but the problem i faced is just with finding the neutron density, for Indium the density 7.31 g/cm3, avegadro no. 06022e24g/mole, atomic mass 115g, i confused with the abundance of 95.7% and with which atomic mass number should I take
