How much energy,in joules,must be absorbed to convert all the atoms present in 1.00 mg of gaseous Na into Na⁺? The first ionization energy of Na is 495.8 kJ/mol. A)21.6 J B)0.0464 J C)46.4 J D)0.0216 J E)1.14 × 10⁴ J

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To find the energy required, first convert 1.00 mg of Na to moles: (1.00 mg Na) / (22.99 g/mol) = 4.35 x 10^-5 mol. Then, multiply by the ionization energy: (4.35 x 10^-5 mol) x (495.8 kJ/mol) = 0.0216 kJ = 21.6 J.

How Much Energy,in Joules,must Be Absorbed to Convert All the Atoms