### Energy of photons to Moles

Posted:

**Thu Oct 10, 2019 9:21 pm**To calculate the energy of one mole of photon, which equation do I use? Can I just multiply the energy of the photon by Avogadro's number?

Created by Dr. Laurence Lavelle

https://lavelle.chem.ucla.edu/forum/

https://lavelle.chem.ucla.edu/forum/viewtopic.php?f=15&t=46896

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Posted: **Thu Oct 10, 2019 9:21 pm**

To calculate the energy of one mole of photon, which equation do I use? Can I just multiply the energy of the photon by Avogadro's number?

Posted: **Thu Oct 10, 2019 9:36 pm**

For a mole of photons, it would just be the energy of a single photon (so, using a formula like E=hv) multiplied by Avogadro's number.

Posted: **Thu Oct 10, 2019 9:38 pm**

You would use the equations E=hv and c=λv to first find the energy of the photon and then you would multiply the energy of the photon by Avogadro's number.