Question

3. How will you determine the density of a liquiu!
4. The mass of an empty specific gravity bottle is 35 g in a physical balance. When it is completely
filled with water, the mass changes to 75 g. Now the bottle is washed and dried and again filled
methanol. The weight of bottle with methanol is found to be 67 g. Calculate the relative density
methanol.​

Answer 1

Answer:

Explanation:

3. Just like a solid, the density of a liquid equals the mass of the liquid divided by its volume; D = m/v. The density of water is 1 gram per cubic centimeter.

HEY

HERE IS YOUR ANSWER

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4.Relative density=density of liquid(d1)/density of water at 4℃(d2)

also density is directly proportional to mass

therfore d1/d2=m1/m2

now m1=35

and m2=mass of liquid-mass of empty bottle=45

relative density=35/45=0.77

now

0.77=density of liquid/density of water

density of liquid=0.77*1

density of liquid=0.77g/cm^3

density=mass/volume

volume=35/0.77

volume=45cm^3

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