Answer:
<h2><u><em>100 kcal of bond energy</em></u></h2>
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Answer: Copper(I) sulfate, also known as cuprous sulfate and dicopper sulfate, is the chemical compound with the chemical formula Cu2SO4 and a molar mass of 223.15 g mol−1. It is an unstable compound as copper(I) compounds are generally unstable and is more commonly found in the CuSO4 state. It is white in color at room temperature and is water-soluble. Due to the low-stability of the compound there are currently not many applications to date.
Isotope - the same element, but different atomic mass so 1)35 Cl and 37 Cl
So your answer would pretty much be 2.80 x 10^24. The picture is just the explanation and how you would get that answer.