Calculate the energy released in joules when one mole of polonium-214 decays according to the equation Po-214 Pb-210+ He-4 [Atomic masses: Pb-210 209.98284 amu, Po-214-213.99519 amu, He-4 = 4.00260 amu.] a. 9.75 x 10^-3 J/mol
b. 7.2 x 10^14 J/mol
c. 8.78 x 10^14 J/mol
d. 8.78 x 10^11 J/mol