Which of the following wave functions represents a solution to the Schrödinger equation for an electron in the 2s state of a hydrogen atom? (A is a constant and a is the Bohr radius) O A cos e O A(1 - r/2a)e-/2a cose O A(1 - r/2a)e-r/2a O Ae-r/2a O A(1-r/2a)er/2a sind et

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