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1 Dec 2021

Given information

Given:

From table:

Density of ethyl alcohol   

The pressure in question is atmospheric pressure.  

Formula used:

The pressure  acting on a liquid of density  within a barometer, causing it to rise to a height  , is given by the relationship,

 

 

Step-by-step explanation

Step 1.
A barometer is a type of pressure gauge used to determine atmospheric pressure.
 
Mercury is the most common fluid used in barometers, as it has a very low density and a vapor pressure that is negligible or zero.

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