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Chemistry, 30.08.2021 02:50 lupitasalas9283
the brilliant red colors seen in fireworks are due to the emission of light with wavelengths around 650nm when strontium salts such as sr(n03)2 are heated. (this can be easily demonstrated in the lab by dissolving one of these salts in methanol that contains a little water and igniting the mixture in an evaporating dish). calculate the frequency of red light of wavelength 6.50x102nm
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