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1) Calculate the wavelength (in metres) associated with an 80g mass moving at 3km/hr. 2) A 3.87mg sample of an organic compound gave 5.80mg CO2 and 1.58mg H2O on combustion. Deduce the empirical formula for the compound. 3) Calculate the energy,frequency and wavelength (in nm) associated with the transition of electron from n=3 to n=1.
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