A litre of pure alcohol is added to 6 litres of 30% alcohol solution. the percentage of water in the solution is
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use the formula i.e percentage by mass= mass of solute/mass of solution putting the in formula.
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1
Answer:
Alcohol =
30
× 6 = 1.8 litres
100
Water = 4.2 litres
On mixing 1 litre of pure alcohol,
Percentage of water =
4.2
× 100 = 60%
7
Explanation:
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