What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?

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Jul 12, 2014

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#h=6.626#x#10^(-34) J.s#
#c=3#x#10^8##ms^-1#
# λ=486#x#10^-9##m#
1 mol photons = #6.023#x#10^23# photon

Energy of one photon (#E#) = (#6.626#x#10^(-34) J.s# x #3#x#10^8##ms^-1#)/(#486#x#10^-9##m#)

Energy of one mole photon (#E#) = (#6.023#x#10^23# x#6.626#x#10^(-34) J.s# x #3#x#10^8##ms^-1#)/(#486#x#10^-9##m#)

Energy of one mole photon (#E#) =#2.46#x#10^5##J#

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