This is a question on a prelab: Poly(amide) is a polymeric substance more commonly known as nylon. As a solid it has a density of 1.22 g/mL. What volume of water (density = 0.997 g/mL) would need to be added to 15.0 mL of glycerol (density = 1.26 g/mL) to just suspend a piece of solid nylon with dimensions of 1.0 cm x 2.0 cm by 2.2 cm? How would I go about starting this?

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Asked Jan 17, 2019
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This is a question on a prelab: Poly(amide) is a polymeric substance more commonly known as nylon. As a solid it has a density of 1.22 g/mL. What volume of water (density = 0.997 g/mL) would need to be added to 15.0 mL of glycerol (density = 1.26 g/mL) to just suspend a piece of solid nylon with dimensions of 1.0 cm x 2.0 cm by 2.2 cm? How would I go about starting this?

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Expert Answer

Step 1

The average density of a mixture of two liquids is can be calculated using the following formula.

 

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Step 2

On putting the given values

 

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Step 3

The nylon should be suspended in the mixture of water and glycerol. It means it should have density less than the density of mixt...

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