What Is the Energy in Joules of a Mole of Photons

question 128

Multiple Choice

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm? (c = 3.00 × 10⁸ m/s; h = 6.63 × 10^-34 J • s; N_A = 6.022 × 10²³ moles^-1)

• A) 6.46 × 10^-16 J
• B) 6.46 × 10^-25 J
• C) 2.46 × 10^-4 J
• D) 12.4 kJ
• E) 246 kJ

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