Question

a solution contain 50 ml of alchohol mixed with 150 ml of water . calculate the concentration of this solution .. ​

Answer 1

Answer:

A solution contains 50 mL Of alcohol mixed with 150 mL of water ,Calculate the concentration of this solution . thus , the concentration of this alcohol solution is 25 per cent or that it is a 25% alcohol solution (by volume ).

Answer 2

Answer:

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Explanation:

This solution contains of this liquid solute (alcohol) mixed with a liquid solvent (water) ,so we have to calculate the concentration of this solution in terms of volume percentage of solute (alcohol ) .

Concentration of solution =Volume of solute Volume of solution ×100

Here ,Volume of solute (alcohol ) =50mL

and , Volume of solvent (water ) =150mL

So , Volume of solution = Volume Of solute + Volume of Solvent

=50+150

=200mL

Now ,putting these values of volume for solute and volume of solution in the the above formula we get :

Concentration of sodium =50/200×100

=50/2

=25 per cent (by volume )

thus , the concentration of this alcohol solution is 25 per cent or that it is a 25% alcohol solution (by volume ).