What is the mass of polystyrene?

Answer:

The mass of polystyrene is easily estimated looking at its mass spectrum.

The spectrum has the shape of a comb with a large number of teeth.

Teeth are equally spaced.

In the region between 1000 and 3000, the spacing is 104.12 g/mol.

In the region between 3000 and 6000, the spacing is 104.18 g/mol.

If the

and the spacing is approximately 104.12 g/mol.

The spacing changes

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