a chemistry student needs of pentane for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of pentane is . calculate the mass of pentane the student should weigh out.

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19-12-2022
Chemistry

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a chemistry student needs of pentane for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of pentane is . calculate the mass of pentane the student should weigh out.

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PallaviB PallaviB · Answer 1 · 2022-12-22T02:52:49-05:00

A chemistry student should way out 57.56 grams of pentane for the experiment he is willing to perform.

Given,

Density of pentane = 0.626 grams/ml

Volume of the pentane = 60 ml

The above data can be used to find the mass of the pentane by using the relation between density, mass and volume which is given as:

Density = mass of substance/ volume of substance

⇒ Mass of pentane = Density of pentane X Volume of pentane

Substituting the values we get,

Mass of pentane = 0.626g/ml X 60ml = 57.56 grams

Hence, to perform the experiment the chemistry student should weigh 57.56 grams of pentane.

The given question is incomplete and the complete question is given as,

A chemistry student needs 40.0 mL of pentane for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of pentane is 0.626 g cm^3. Calculate the mass of pentane the student should weigh out.

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