What is the energy in joules of one mole of photons of
What is the energy, in joules, of one mole of photons of visible light having a wavelength of 4.89 x 10^2 nm?
A) 1.48 × 10^42J
B) 4.06 × 10^-19J
C) 2.45 × 10^5J
D) 1.95 × 10^-16J
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