Question

A bottle weighs 30 gram when empty when filled with a liquid it weighs 53.4 grams and 48 gram when filled with water calculate the density of a liquid by density of water at 4° c is 1000 kg per metre cube

Answer 1

Heya folk !!

Here's the answer you are looking for

☛ Mass of bottle = 30g

☛ Mass of bottle + mass of liquid = 53.4g

So, mass of liquid = (53.4 - 30)g = 23.4g

☛ Also, mass of bottle + mass of water = 48g

So, mass of water = (48 - 30)g = 18g

➡️We know


Let the density of the liquid be d.

And we know that density of water is 1g/cc

And volume of the bottle be V.

Since, both the liquid and water are filled in the same bottle,
volume of water = volume of liquid = V

So,

☛ Mass of liquid = Vd = 23.4g

☛Mass of water = V(1) = 18g
V = 18g/1g/cc =18cc

Thus,

Vd = 23.4g

18cc (d) = 23.4g



Therefore, density of the liquid is 1.3g/cc.

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