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It is called a hydrometer.

Also, density equals mass divided by volume.

See the Related Questions to the left for more information about hydrometer and density.

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Q: What instrument is used to measure density how i measure density of acid in battery?
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What is a hydrogrometer?

An instrument for measuring the Density of a liquid. The density of the Acid in a car Battery, changes as the stored electrici charge in the battery, is used to power things. A Hydrometer is commonly used to measure the Acid Density in Lead/Acid car batteries. The result of the Hydrometer reading let's you know how much electric charge is left in the battery. It is most commonly used to find out whether or not, the battery is old and depleted, or still in good condition. Go to Wikipedia to find out what a Hydrometer looks like.


What does the hydrometer measures?

a Hydrometer is used to measure the density of a solution, by the use of a scaled float. typically it is used for battery acid.


Does gravity have an affect on the potential difference of a battery?

No.AnswerPresumably, you mean 'specific gravity' or, as it is known these days, 'relative density'? If so, the relative density of a lead-acid cell or battery is, indeed, a guide to that battery's state of charge -that's why we use a hydrometer to check the condition of a lead-acid battery. However, it would be wrong to say that the relative density of a lead-acid battery 'effects' the voltage -it merely is a guide to the state of charge. (Actually, it's the state of a battery's charge that affects its relative density.)


Which set of equipment would be most useful to determine the density of a liquid?

The instrument used to measure the density of a liquid is a hydrometer. These are often made for specific purposes, because the density of a given liquid may not vary much. Milk hydrometers are used to estimate the creaminess of raw milk. A battery hydrometer is used on your car battery, for the density of the sulphuric acid varies with the amount of lead dissolved, which indicates the state to which the battery is charged.


How do you measure battery acid in a car battery?

With a hydrometer which you can buy at any auto parts store.


What instrument use in density?

A hydrometer is an instrument that measures the density of liquids. Auto batteries could be checked to see the strength of the acid in each cell before sealed batteries were made. I don't know of an instrument for solids or gases.


How is density used to determine if your car battery is good?

The electrolyte in a car battery is sulfuric acid, diluted with water. The density of the acid when fully charged is 1.265g/cm3. The chemical process, as the battery is discharged, makes the acid weaker and it becomes less dense. Down to 1.120g/cm3 when below 11volts.Checking the acid density will give you an idea of the state of charge.There are 6 cells in a 12v car battery. The charge of each cell should be the same. If the density is significantly different between cells, then that would indicate a fault in that cell and the battery is useless. Faulty cells may have distorted and shorted plates which would stop it being charged and show up with a different density than the other cells.


What acid is in battries?

Car or automotive battery acid is 30-50% sulfuric acid (H2SO4) in water. Usually the acid has a mole fraction of 29%-32% sulfuric acid, density of 1.25-1.28 kg/L and concentration of 4.2-5 mol/L. Battery acid has a pH of approximately 0.8.


What instrument is use to measure 25.6cm^3 of alkali reacts with acid?

I think it is beaker or measuring cylinder.


What is a battery acid?

A battery acid is a variety of acid used as an electrolyte in a battery - usually sulphuric acid.


State the fluid used as elcroliyte in the battery. what happens to the density of the fluid as the state of charge decreases.?

sulphuric acid


What is the density of the acid in a car battery if 200mL of the acid has a mass of 240g?

well, im lazy so I won't do it for you, but the equation to find that out is D=m/v ( Density equals mass divided by volume)