October 26, 2016

Homework Help: chem need help

Posted by Kjd on Saturday, October 20, 2012 at 4:41pm.

The most prominent line in the atomic spectrum of mercury occurs at a wavelength of 253.652 nm. What is the energy of 0.625 moles of photons associated with the most prominent line? Express answer in kJ.

295 kJ

Please explain.. Thank you so much!

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