Gen Chem: theoretical yield

Quote:

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compute the theoretical yield of product (in moles) for each of the following initial amounts of reactants.

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a) 5 mol Mn, 5 mol
b) 4 mol Mn, 7 mol
c) 28.5 mol Mn, 44.8 mol

i'm not sure how to solve this, the examples in the book had it in grams in stead of moles.

surely since needs only one mole of and one mole of then the number of moles of is equal to the lowest number of moles of the two reactants? So a = 5 mol, b = 4 mol, c = 28.5 mol ? Then the remaining reactants goes unreacted?

edit: Why doesn't \mbox work?