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A star of mass 10 Msun is composed entirely of fully ionized 12C.
(a) What is the mean molecular weight ??
(b) Suppose that the star generates energy via the reaction: 12C + 12C -> 24Mg.
The atomic weight of carbon 12 is 12, and that of magnesium 24 is 23.985. What fraction of the star's mass can be converted into energy via this fusion process?
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