How to Measure The Density of an Unknown Liquid

How to Measure the Density of an Unknown Liquid

 

Density of a substance is its mass divided by volume or you can say that density is equal to mass per unit volume. Talking about the density, it can be different with different objects and it may be relevant to buoyancy or purity and even other such factors. When an unknown liquid is given to us, we can bring in use the Archimedes principle to find the volume of that unknown liquid or you can even take it separate for homogenous materials and heterogeneous materials. You can measure it with measuring equipment or you can even do that with the provided theoretical values. The exact way to find mass goes as follows:-

How to Measure the Density of an Unknown Liquid

How to Measure The Density of an Unknown Liquid

1. Taking It Simple:-

The best and simple approach to measure density of an unknown liquid is to measure its mass by any approach and then to divide it by its volume. Just note down the numerical values provided and you can solve the question putting these specific values in the formula of density. Density of a liquid is dependent on atmospheric factors as well as other such factors which I will explain separately for you.

2. Density of Homogeneous Materials:-

Though the formula of density is Mass/volume or mass per unit volume, but if you have a homogeneous mixture with no specific value of mass or volume given to you, the best way to measure the values for such a liquid is to weigh it with a weighing balance and then measuring its volume using Archimedes principle.

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3. The Devices Which Can Be Bought In Use:-

Obviously in Physics, we have special devices for measuring everything and thus we have such devices for measuring density of liquid as well. This includes the devices like Hydrometer, Dasymeter, Coriolis etc. You can choose a digital or simple weighing balance depending on availability and personal priority.

4. Measuring Density for Heterogeneous Materials:-

In case you have a non-homogeneous material, the density will differ between different regions of the object and in such cases you can calculate its density in small portions taking one at a time. In case you have to use a vessel in order to keep the liquid in it, you should first measure its mass keeping it empty so that you may be able to subtract this value from the total mass to obtain the exact mass of liquid.

5. Factors Affecting Density:-

Various factors affect density in many ways. For example, the change in pressure or temperature is equally likely to bring about a change in density. Let me explain this in an elaborated way. Actually, when we increase the pressure, it brings about an increase in density as well and when we increase the temperature, the density gets decreased.

 

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