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Problem- The work function of an element is the energy required to remove an electron from the surface of the solid. The work function for palladium is 503.7 kJ/mol (that is, it takes 503.7 kJ of energy to remove 1 mole of electrons from 1 mole of Pd atoms on the surface of Pd metal).

What is the maximum wavelength of light that can remove an electron from an atom in palladium metal?

Here is the problem which I am struggling on, please help me

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