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The Mass Spectrometer. In order to measure the characteristics of individual molecules, a mass spectrometer converts them to ions so that they can be moved about and manipulated by external electric and magnetic fields. The three essential functions of a mass spectrometer, and the associated components, are:
Explain how molar mass relates the mass of. an atom to the mass of a mole of atoms. Molar mass is the mass in grams of one mole of. any pure substance. 25. Describe the steps used to convert the mass. of an element to the number of atoms of the.