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A uranium oxalate actinometer is irradiated for 15 min with 4350 A light. At the end of this period it is found that the oxalic

  • A uranium oxalate actinometer is irradiated for 15 min with 4350 A light. At the end of this period it is found that the oxalic acid corresponding to 12 cm3 of KMnO4 at 0.001 M has been decomposed by light. For this wavelength the quantum efficiency of the actinometer is 0.58. Find the average intensity of the light used in

a) Erg

b) quantum's

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