Chemistry, 25.04.2020 00:56 10040816

When sodium compounds are heated in a bunsen burner flame, they emit light at a wavelength of 5890 Å (1 Å = 1.0×10−10 m). If 1.0×10−4 mol of sodium atoms each emit a photon of this wavelength, how many kilojoules of energy are emitted?

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