In 1962, george a. olah directly observed the formation of a carbocation intermediate using a technique called nuclear magnetic resonance (nmr) spectroscopy. typically, carbocation intermediates are short-lived and very reactive, which makes them difficult to observe in order to determine that a mechanism proceeds through a carbocation intermediate. in the examples below, indicate all the organic intermediates that would form from the given reactants and specified reaction mechanism, and identify if these intermediates are reactive or not reactive

the grams   of   barium that   are in   2.3 x 10^23   atoms of barium   is   52.4 g (answer c)

    calculation

mass = moles   of ba   x molar   mass of ba

  molar mass of ba from periodic table=   137.3 g/mol

  use the   avogadro's law   constant   to   calculate the moles of barium

  that   is     1 mole =   6.02   x 10^23 atoms

                    ? moles = 2.3 x 10^23   atoms

by cross   multiplication

=(1 mole   x 2.3x 10^23 atoms)   / 6.02   x10^23 atoms)=   0.382   moles

mass   is therefore = 137.3   g/mol x 0.382 mol = 52.4 ( answer c)

explanation:

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