How Much Energy (In KJ)is Required to Ionize 2

Multiple Choice

How much energy (in kJ) is required to ionize 2.52 moles of hydrogen atoms?

A) 1.65 × 10³ kJ
B) 1.52 × 10³ kJ
C) 5.49 × 10³ kJ
D) 3.31 × 10³ kJ
E) 5.89 × 10³ kJ