Find wavelength-photon emitted-hydrogen atom in transition
Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1).
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A student titrates a soln containing 0.254 g of a monoprotic acid in 35 ml of water. the student reaches the endpoint after adding 18.35 ml of 0.107 M NaOH. How many moles of the acid are present in the sample? What is the molecular weight of the
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