Question

Please answer this question only if you know how to solve it.
Photoelectrons are removed with kinetic energy 1.864 x 10^-21 J, when photons of light with energy 4.23 x 10^-19 J fall on the metal. What is the minimum energy required per mole to remove an electron from potassium metal?​

Answer 1

Explanation:

When photons of light with energy 4.23×10^-19 J fall on the metal, what is the minimum energy required per mole to ...