01. Calculate the mass of water and acetone required to make 45ml of 4% solution of acetone?
please answer in number
calculate
Answers
Explanation:
Solution :
This solution also contains a liquid solute (acetone ) mixed with a liquid solvent water (because it is an aqueous solution ) , so we have to calculate the concentration of this solution in terms of volume percentage of solute (acetone )=2 mL <br> And Volume of solution
<br>
<br>
<br>
per cent (by volume ) <br> thus , the concentration of this acetone solution is 4.4 per cent or that itis a 4.4% acetone solution (by volume ). <br> in Industry , when the concentration of a solution is expressed as per cent by mass or per cent by weight ' it is denoted by the symbol w/w (which means weight by weight ) please note that here the terms mass and weight are being used in the same sense And when the concentration of a solution is expressed as per cent by volume , then it is denoted by the symbol v/v on the labels of bottes of many mixute Milk of magnesia has these words written on the label of its bottle contains approximately 8.0 % w/w of hydrated magnesium oxide ". (please not that hydrated magnesium oxide means magnesium hydorxide).
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