However, a tool known as a mass spectrometer allows scientists to quantify relative atomic masses with extreme accuracy.
Chemists frequently need to know which components are in a compound and in what proportions. A specific element's mass in any mass of the compound can be calculated using the percent composition as well. Because the two percentages total up to 100%, the calculations make sense.
With the aid of this formula, one can determine the lowest entire number of moles and the proportional number of atoms of each element present in a compound. The true molecular formula can be calculated by chemists using the empirical formula.
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