Question

tem 22 Part A How much energy (in kJ) is required to ionize 2.52 moles of hydrogen atoms? 0 1.524 103 kJ O 1.65 x 103 kJ O 3.31 x 103 kJ 5.89 x 103 kJ ) 5.49 x 103 kJ Submit

Answer 1

To ionize means complete removal.

Using Formula, E= -2.178 x 10^-18(1/n_f² - 1/n_i²) Joules

With n_f = infinity   and n_i = 1

E = -2.178 x 10^-18( 0 - 1) Joules = 2.178 x 10^-18 J/atom

Since,1 mole = 6.022 x 10²³ atoms

E = 2.178 x 10^-18 J/atom x 2.52 mole x 6.022 x 10²³ atom/mole = 3.31 x 10⁶ J = 3.31 x 10³ kJ

Correct Option is 'C'

Thank You