What is the mass, in grams, of 1.20×1021 molecules of aspirin, c9h8o4?

The mass of given number of molecules of aspirin is 0.359 grams.

Explanation:

We are given:

Number of molecules of aspirin =

We know that:

Molar mass of aspirin = 180.16 g/mol

According to mole concept:

number of molecules are contained in 1 mole of a compound

Also, number of molecules of aspirin has a mass of 180.16 grams

So, number of molecules will have a mass of

Hence, the mass of given number of molecules of aspirin is 0.359 grams.

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because it does not have the potential to be entirely used up