The emission line used for zinc determinations in atomic emission spectroscopy is 214nm . If there are 9.00×(10^10) atoms of zinc emitting light in the instrument flame at any given instant, what energy (in joules) must the flame continuously supply to achieve this level of emission?

Question

The emission line used for zinc determinations in atomic emission spectroscopy is 214nm . If there are 9.00×(10^10) atoms  of zinc emitting light in the instrument flame at any given instant, what energy (in joules) must the flame continuously supply to achieve this level of emission?

anonymous · Answer

Assume that for every atom of zinc, there is one photon. 9.00x10^10 atoms Zn =  9.00x10^10
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Answer: 8.35x10^-8 J