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which technology is used to measure the mass of atoms and to determine the percent composition of compounds? choose the correct answer.

Sagot :

However, a tool known as a mass spectrometer allows scientists to quantify relative atomic masses with extreme accuracy.

Why is it necessary to know what percentages make up a compound?

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.

The significance of mass percent.

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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