Question

 A solution contains 30 g of salt dissolved in 270 g of water . calculate the concentration of solution. 

Answer 1

Answer:

A solution contains a solid solute (sugar ) dissolved in a liquid solvent (water),so we have to calculate the concentration of this solution in terms of the mass percentage of solute (sugar ) we, Know that : <br> Concentration of solution

<br> here, Mass of solute (sugar )=30g <br> And ,Mass of solvent (water)=370g <br> So ,Mass of solution = Mass of solute + Mass of solvent <br> =30+370 <br> =400 g <br> Now ,Putting the values Of mass of solute and mass of solution in the above formula formula ,WE get : <br> Concentration of solution

<br>

<br> 7.5 per cent (or 7.5% ) <br> THus , the concentration of this sugar solution is 7.5 per cent (or that it is a 7.5 % sugar solution).

Explanation:

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