15. 12.5/10 points | Previous Answers The energy required to remove the electron

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15. 12.5/10 points | Previous Answers The energy required to remove the electron from the hydrogen atom can be calculated using Bohr's model, making the assumption that this energy corresponds to the electron making the transition from the n=1 level to the n=infinity level, according to the usual equation: E--(2.179 x 10^-18 J)x( 2 final initial a) What amount of energy is required to ionize one hydrogen atom? 2.179e-181 2179e-18 2.179e-18 J b) What amount of energy is required to ionize 0.550 grams of hydrogen? 2.17e-15 X 716 kJ Practice Another Version

Explanation / Answer

Energy required to ionize one hydrogen atom

= 2.17*10-18J

Mass of hydrogen given = 0.550g

Molar mass of hydrogen = 1.008g/mol

Moles of hydrogen = 0.550g/1.008g/mol = 0.546mol

1 mol of Hydrogen = 6.022*1023 atoms

0.550 mol = 0.546*6.022*1023 = 3.288*1023atoms

Energy required to ionize 3.288*1023 atoms =

= 3.288*1023 *2.179*10-18J

= 716kJ

Answer = 716kJ

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