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.

did you find the answer?

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance