Treatment with sodium borohydride converts aldosterone A in to an optically inactive alditol. Ruff degradation of A from B, whose alditol is optically inactive. Ruff degradation of B from D - glycerol dehydration. Identify A and B

Diatomic O2 can react with the element magnesium to form magnesium oxide (MgO). The balanced chemical equation is:

If 4 moles of magnesium totally reacted with more than enough O2, how many moles of MgO would be expected to form?